Slackware Linux update for Slackware 15.0 kernel

1) Information disclosure

EUVDB-ID: #VU61198

Risk: Low

CVSSv3.1: 4.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-0001

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to non-transparent sharing of branch predictor selectors between contexts. A local user can gain unauthorized access to sensitive information on the system.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Information disclosure

EUVDB-ID: #VU61199

Risk: Low

CVSSv3.1: 4.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-0002

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to non-transparent sharing of branch predictor within a context. A local user can gain unauthorized access to sensitive information on the system.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) NULL pointer dereference

EUVDB-ID: #VU63789

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-0168

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

The vulnerability allows a local attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the Linux kernel’s smb2_ioctl_query_info function in the fs/cifs/smb2ops.c Common Internet File System (CIFS). A privileged (CAP_SYS_ADMIN) attacker can perform a denial of service (DoS) attack.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Information disclosure

EUVDB-ID: #VU64259

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-0494

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output in the scsi_ioctl() function in drivers/scsi/scsi_ioctl.c in the Linux kernel. A local user with a special user privilege (CAP_SYS_ADMIN or CAP_SYS_RAWIO) can gain unauthorized access to sensitive information on the system.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Out-of-bounds write

EUVDB-ID: #VU65298

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-0500

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in unrestricted eBPF usage by the BPF_BTF_LOAD in Linux kernel. A local user can trigger an out-of-bounds write error in BPF subsystem and execute arbitrary code with elevated privileges.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Memory leak

EUVDB-ID: #VU61392

Risk: High

CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-0742

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak within igmp6_event_query() and igmp6_event_report() functions in Linux kernel when handling ICMPv6 packets. A remote attacker can flood the system with ICMPv6 messages of type 130 and 131 to cause out-of-memory condition and perform a denial of service (DoS) attack.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Memory leak

EUVDB-ID: #VU63427

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-0854

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due memory leak in the Linux kernel’s DMA subsystem when processing DMA_FROM_DEVICE calls. A local user can trigger a memory leak error and read random memory from the kernel space.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Out-of-bounds write

EUVDB-ID: #VU61772

Risk: Low

CVSSv3.1: 7.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C]

CVE-ID: CVE-2022-0995

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: Yes

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the Linux kernel’s watch_queue event notification subsystem. A local user can run a specially crafted program to trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.

9) Use-after-free

EUVDB-ID: #VU63386

Risk: Low

CVSSv3.1: 7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2022-1011

CWE-ID: CWE-416 - Use After Free

Exploit availability: Yes

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in the write() function of FUSE filesystem. A local user can retireve (partial) /etc/shadow hashes and execute arbitrary code with elevated privileges.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

10) Out-of-bounds write

EUVDB-ID: #VU62027

Risk: Low

CVSSv3.1: 7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2022-1015

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: Yes

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the nft_validate_register_store and nft_validate_register_load in linux/net/netfilter/nf_tables_api.c of the netfilter subsystem. A local user can escalate privileges on the system.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

11) Use-after-free

EUVDB-ID: #VU62028

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1016

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to a use-after-free error in net/netfilter/nf_tables_core.c:nft_do_chain in Linux kernel.. A local user can trigger a use-after-free error and gain access to sensitive information.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Use-after-free

EUVDB-ID: #VU63428

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1048

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a local user to execute arbitrary code with elevated privileges.

The vulnerability exists due to a use-after-free error in the Linux kernel’s sound subsystem in the way a user triggers concurrent calls of PCM hw_params. A local user can execute arbitrary code with elevated privileges and perform a denial-of-service attack.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

13) Out-of-bounds write

EUVDB-ID: #VU63166

Risk: Medium

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1158

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due the KVM implementation in Linux kernel does not properly perform guest page table updates in some situations. A remote user on the guest operating system can trigger memory corruption and perform a denial of service attack against the host OS.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

14) Use-after-free

EUVDB-ID: #VU63431

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1198

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a local user to perform a denial of service attack.

The vulnerability exists due to a use-after-free error in the drivers/net/hamradio/6pack.c. A local user can perform a denial of service (DoS) attack by simulating Amateur Radio.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

15) NULL pointer dereference

EUVDB-ID: #VU63432

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1199

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a Null pointer dereference and use after free errors in the ax25_release() function. A local user can simulate Amateur Radio and perform a denial of service (DoS) attack.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

16) Use-after-free

EUVDB-ID: #VU63791

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1204

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in the Linux kernel’s Amateur Radio AX.25 protocol functionality when user connects with the protocol. A local user can trigger use-after-free error to perform a denial of service attack or escalate privileges on the system.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

17) NULL pointer dereference

EUVDB-ID: #VU63433

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1205

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a null pointer dereference and use after free errors in the net/ax25/ax25_timer.c. A local user can simulate Amateur Radio and perform a denial of service (DoS) attack.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

18) NULL pointer dereference

EUVDB-ID: #VU64074

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1263

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to kvm implementation in the Linux kernel does not handle releasing a virtual cpu properly. A local user can pass specially crafted data and perform a denial of service (DoS) attack.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

19) Information disclosure

EUVDB-ID: #VU63388

Risk: Low

CVSSv3.1: 6.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1353

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in the pfkey_register function in net/key/af_key.c in the Linux kernel. A local user can gain unauthorized access to kernel memory, leading to a system crash or a leak of internal kernel information.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

20) NULL pointer dereference

EUVDB-ID: #VU63158

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1516

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference error in the Linux kernel’s X.25 set of standardized network protocols functionality. A local user can terminate session using a simulated Ethernet card and perform a denial of service (DoS) attack.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

21) Race condition

EUVDB-ID: #VU63305

Risk: Low

CVSSv3.1: 6.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-23036

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to a race condition in the blkfront ring buffer. A malicious backend can exploit the race condition and read or write data or perform a denial of service attack.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

22) Race condition

EUVDB-ID: #VU63306

Risk: Low

CVSSv3.1: 6.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-23037

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to a race condition in the netfront ring buffer. A malicious backend can exploit the race condition and read or write data or perform a denial of service attack.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

23) Race condition

EUVDB-ID: #VU63307

Risk: Low

CVSSv3.1: 6.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-23038

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to a race condition in the scsifront ring buffer. A malicious backend can exploit the race condition and read or write data or perform a denial of service attack.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

24) Race condition

EUVDB-ID: #VU63308

Risk: Low

CVSSv3.1: 6.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-23039

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to a race condition in the gntalloc ring buffer. A malicious backend can exploit the race condition and read or write data or perform a denial of service attack.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

25) Race condition

EUVDB-ID: #VU63309

Risk: Low

CVSSv3.1: 6.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-23040

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to a race condition in the xenbus ring buffer. A malicious backend can exploit the race condition and read or write data or perform a denial of service attack.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

26) Race condition

EUVDB-ID: #VU63310

Risk: Low

CVSSv3.1: 6.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-23041

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to a race condition in blkfront, netfront, scsifront, usbfront, dmabuf, xenbus, 9p, kbdfront, and pvcalls ring buffers. A malicious backend can exploit the race condition and read or write data or perform a denial of service attack.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

27) Reachable Assertion

EUVDB-ID: #VU63311

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-23042

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to reachable assertion in the netfront ring buffer. A malicious backend can exploit the race condition and read or write data or perform a denial of service attack.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

28) Security restrictions bypass

EUVDB-ID: #VU59896

Risk: Low

CVSSv3.1: 7 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2022-23222

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: Yes

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to availability of pointer arithmetic via certain *_OR_NULL pointer types in kernel/bpf/verifier.c in the Linux kernel. A local user can run a specially crafted program to execute arbitrary code with root privileges.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

29) Processor optimization removal or modification of security-critical code

EUVDB-ID: #VU65007

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-23960

CWE-ID: CWE-1037 - Processor optimization removal or modification of security-critical code

Exploit availability: No

The vulnerability allows a local user to obtain potentially sensitive information.

The vulnerability exists due to improper restrictions of cache speculation. A local user can leverage the shared branch history in the Branch History Buffer (BHB) to influence mispredicted branches and gain access to sensitive information.

The vulnerability was dubbed Spectre-BHB.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

30) Release of invalid pointer or reference

EUVDB-ID: #VU63315

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-24958

CWE-ID: CWE-763 - Release of invalid pointer or reference

Exploit availability: No

The vulnerability allows remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to release of illegal memory vulnerability in the drivers/usb/gadget/legacy/inode.c. A remote attacker can send specially crafted data and perform a denial of service (DoS) attack.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

31) Buffer overflow

EUVDB-ID: #VU62601

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-26490

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the st21nfca_connectivity_event_received() function in drivers/nfc/st21nfca/se.c in Linux kernel. A local user can run a specially crafted program to trigger buffer overflow and execute arbitrary code with elevated privileges.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

32) Heap-based buffer overflow

EUVDB-ID: #VU61672

Risk: Low

CVSSv3.1: 6.3 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2022-27666

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: Yes

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c in Linux kernel. A local unprivileged user can pass specially crafted data to the system, trigger a heap-based buffer overflow and execute arbitrary code with elevated privileges.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

33) Memory leak

EUVDB-ID: #VU63390

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-28356

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in net/llc/af_llc.c component. A remote attacker can force the system to leak memory and perform denial of service attack.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

34) Double Free

EUVDB-ID: #VU63160

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-28388

CWE-ID: CWE-415 - Double Free

Exploit availability: No

The vulnerability allows a local user to execute arbitrary code with elevated privileges.

The vulnerability exists due to boundary error in the usb_8dev_start_xmit in drivers/net/can/usb/usb_8dev.c. A local user can pass specially crafted data to the application, trigger double free error and execute arbitrary code with elevated privileges.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

35) Double Free

EUVDB-ID: #VU63162

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-28389

CWE-ID: CWE-415 - Double Free

Exploit availability: No

The vulnerability allows a local user to execute arbitrary code with elevated privileges.

The vulnerability exists due to boundary error in mcba_usb_start_xmit in drivers/net/can/usb/mcba_usb.c. A local user can pass specially crafted data to the application, trigger double free error and execute arbitrary code with elevated privileges.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

36) Double Free

EUVDB-ID: #VU63164

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-28390

CWE-ID: CWE-415 - Double Free

Exploit availability: No

The vulnerability allows a local user to execute arbitrary code with elevated privileges.

The vulnerability exists due to boundary error in ems_usb_start_xmit in drivers/net/can/usb/ems_usb.c. A local user can pass specially crafted data to the application, trigger double free error and execute arbitrary code with elevated privileges.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

37) Use-after-free

EUVDB-ID: #VU63792

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-29582

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in the io_uring timeouts() function in the Linux kernel. A local user can trigger a race condition between timeout flush and removal to cause a denial of service or escalate privileges on the system.

Update the affected package Slackware 15.0 kernel.

Slackware Linux: 15.0

linux-5.15.38/kernel-modules: before 5.15.38

linux-5.15.38/kernel-huge: before 5.15.38

linux-5.15.38/kernel-headers: before 5.15.38

linux-5.15.38/kernel-generic: before 5.15.38

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.831555

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.