Slackware Linux update for kernel

1) Expected behavior violation

EUVDB-ID: #VU71582

Risk: Medium

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

CVE-ID: CVE-2022-3344

CWE-ID: CWE-440 - Expected Behavior Violation

Exploit availability: No

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

The vulnerability exists due to an error in the KVM's AMD nested virtualization (SVM). A malicious L1 guest can purposely fail to intercept the shutdown of a cooperative nested guest (L2), possibly leading to a page fault and kernel panic in the host (L0).

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

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.

2) Use-after-free

EUVDB-ID: #VU69759

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-2022-3424

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 within the gru_set_context_option(), gru_fault() and gru_handle_user_call_os() functions in Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

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) Use-after-free

EUVDB-ID: #VU72466

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-3534

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 within the btf_dump_name_dups() function in tools/lib/bpf/btf_dump.c. A local user can execute arbitrary code with elevated privileges.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

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) Buffer overflow

EUVDB-ID: #VU69758

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-2022-3545

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 area_cache_get() function in drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c. A local user can trigger memory corruption and execute arbitrary code with elevated privileges.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

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: #VU71480

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-2022-36280

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

Exploit availability: No

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

The vulnerability exists due to a boundary error within the vmw_kms_cursor_snoo() function in drivers/gpu/vmxgfx/vmxgfx_kms.c in vmwgfx VMWare driver. A local user can trigger an out-of-bounds write and perform a denial of service (DoS) attack.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

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) Input validation error

EUVDB-ID: #VU70468

Risk: Medium

CVSSv3.1: 5.9 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-3643

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

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

The vulnerability exists due to insufficient validation of network packets. An attacker with access to the guest OS can trigger the related physical NIC on the host to reset, abort, or crash by sending certain kinds of packets.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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

7) Use-after-free

EUVDB-ID: #VU67657

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-2022-41218

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 within the dvb_demux_open() and dvb_dmxdev_release() function in drivers/media/dvb-core/dmxdev.c in Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

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.

8) NULL pointer dereference

EUVDB-ID: #VU70486

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-2022-4129

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 error in the Linux kernel's Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing sk_user_data can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

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.

9) Stack-based buffer overflow

EUVDB-ID: #VU70442

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-2022-4378

CWE-ID: CWE-121 - Stack-based buffer overflow

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 __do_proc_dointvec() function. A local user can trigger a stack-based buffer overflow and execute arbitrary code with elevated privileges.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

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) Use-after-free

EUVDB-ID: #VU72328

Risk: Low

CVSSv3.1: 5.9 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-4382

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows an attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the gadgetfs Linux driver. An attacker with physical access to the system can trigger a use-after-free by manipulating the external device with gadgetfs and execute arbitrary code.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

11) Race condition

EUVDB-ID: #VU70502

Risk: Medium

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

CVE-ID: CVE-2022-45869

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

Exploit availability: No

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

The vulnerability exists due to a race condition within the x86 KVM subsystem in the Linux kernel when nested virtualisation and the TDP MMU are enabled. A remote  user on the guest OS can exploit the race and crash the host OS.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

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.

12) Integer overflow

EUVDB-ID: #VU70464

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-2022-45934

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

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

The vulnerability exists due to integer overflow within the l2cap_config_req() function in net/bluetooth/l2cap_core.c in Linux kernel. A local user can pass specially crafted L2CAP_CONF_REQ packets to the device, trigger an integer overflow and execute arbitrary code with elevated privileges.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

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: #VU70625

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-2022-47518

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 when processing a number of channels in drivers/net/wireless/microchip/wilc1000/cfg80211.c in the WILC1000 wireless driver. A local user can trigger a heap-based buffer overflow when copying the list of operating channels from Wi-Fi management frames and execute arbitrary code with elevated privileges.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

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.

14) Out-of-bounds write

EUVDB-ID: #VU70626

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-2022-47519

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 within IEEE80211_P2P_ATTR_OPER_CHANNEL in drivers/net/wireless/microchip/wilc1000/cfg80211.c in the WILC1000 wireless driver. A local user can trigger an out-of-bounds write when parsing the channel list attribute from Wi-Fi management frames and execute arbitrary code with elevated privileges.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

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) Out-of-bounds read

EUVDB-ID: #VU70627

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-2022-47520

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

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

The vulnerability exists due to a boundary condition within the drivers/net/wireless/microchip/wilc1000/hif.c in the WILC1000 wireless driver.  A local user can trigger an out-of-bounds read when parsing a Robust Security Network (RSN) information element from a Netlink packet and perform a denial of service (DoS) attack.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

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) Out-of-bounds write

EUVDB-ID: #VU70628

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-2022-47521

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 within the IEEE80211_P2P_ATTR_CHANNEL_LIST in drivers/net/wireless/microchip/wilc1000/cfg80211.c in the WILC1000 wireless driver. A local user trigger a heap-based buffer overflow when parsing the operating channel attribute from Wi-Fi management frames and execute arbitrary code with elevated privileges.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

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: #VU71479

Risk: Medium

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-2022-47929

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 error in the traffic control subsystem in Linux kernel. A local user can pass pass a specially crafted traffic control configuration that is set up with "tc qdisc" and "tc class" commands and perform a denial of service (DoS) attack.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

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: #VU72467

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-2022-4842

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 error in the attr_punch_hole() () function in Linux kernel NTFS3 driver. A local user can perform a denial of service (DoS) attack.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

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) Security features bypass

EUVDB-ID: #VU72469

Risk: Low

CVSSv3.1: 2.6 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2023-0045

CWE-ID: CWE-254 - Security Features

Exploit availability: Yes

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

The vulnerability exists due to Linux kernel does not correctly mitigate SMT attacks. A local user can bypass Spectre-BTI user space mitigations and gain access to sensitive information.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

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.

20) Integer overflow

EUVDB-ID: #VU71173

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-2023-0179

CWE-ID: CWE-190 - Integer overflow

Exploit availability: Yes

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

The vulnerability exists due to an integer overflow within the nft_payload_copy_vlan() function in Linux kernel Netfilter. A local user can trigger an integer overflow and execute arbitrary code with elevated privileges.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

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.

21) Heap-based buffer overflow

EUVDB-ID: #VU71095

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-2023-0210

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

Exploit availability: No

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

The vulnerability exists due to a boundary error within the ksmbd_decode_ntlmssp_auth_blob() function in ksmbd when handling NTLMv2 authentication. A remote attacker can send specially crafted data to ksmbd, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

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.

22) Use-after-free

EUVDB-ID: #VU71482

Risk: High

CVSSv3.1: 8.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2023-0266

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 within the snd_ctl_elem_read() function in the Linux kernel sound subsystem. A local user can trigger a use-after-free error and execute arbitrary code on the system.

Note, the vulnerability is being actively exploited in the wild.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

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?

Yes. This vulnerability is being exploited in the wild.

23) NULL pointer dereference

EUVDB-ID: #VU71352

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-2023-0394

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 error within the rawv6_push_pending_frames() function in net/ipv6/raw.c. A local user can run a specially crafted program on the system and perform a denial of service (DoS) attack.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

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) Type Confusion

EUVDB-ID: #VU71478

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-2023-23454

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

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

The vulnerability exists due to a type confusion error within the cbq_classify() function in net/sched/sch_cbq.c in the Linux kernel. A local user can trigger a type confusion error and crash the kernel.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

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) Type Confusion

EUVDB-ID: #VU71477

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-2023-23455

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

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

The vulnerability exists due to a type confusion error within the atm_tc_enqueue() function in net/sched/sch_atm.c in the Linux kernel. A local user can trigger a type confusion error and perform a denial of service (DoS) attack.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

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) Integer overflow

EUVDB-ID: #VU72468

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-23559

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

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

The vulnerability exists due to integer overflow within the rndis_query_oid() function in drivers/net/wireless/rndis_wlan.c. A local user can trigger an integer overflow and execute arbitrary code with elevated privileges.

Update the affected package kernel.

Slackware Linux: 15.0

linux-5.15.94/kernel-modules: before 5.15.94

linux-5.15.94/kernel-huge: before 5.15.94

linux-5.15.94/kernel-generic: before 5.15.94

linux-5.15.94/kernel-headers: before 5.15.94_smp

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.743608

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.