Ubuntu update for linux-azure-fde-5.15

1) Deadlock

EUVDB-ID: #VU73186

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-2022-4269

CWE-ID: CWE-833 - Deadlock

Exploit availability: No

Description

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

The vulnerability exists due to an error in the Linux kernel Traffic Control (TC) subsystem. A local user can use a specific network configuration (redirecting egress packets to ingress using TC action "mirred") to trigger a CPU soft lockup.

Mitigation

Update the affected package linux-azure-fde-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-azure-fde (Ubuntu package): before 5.15.0.1043.50~20.04.1.22

linux-image-5.15.0-1043-azure-fde (Ubuntu package): before 5.15.0-1043.50~20.04.1.1

External links

http://ubuntu.com/security/notices/USN-6347-1

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) Out-of-bounds read

EUVDB-ID: #VU78725

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-2022-48502

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

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition within the ntfs_set_ea() function in fs/ntfs3/xattr.c in Linux kernel ntfs3 subsystem. A local user can trigger an out-of-bounds read error and read contents of memory on the system or crash the OS kernel.

Mitigation

Update the affected package linux-azure-fde-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-azure-fde (Ubuntu package): before 5.15.0.1043.50~20.04.1.22

linux-image-5.15.0-1043-azure-fde (Ubuntu package): before 5.15.0-1043.50~20.04.1.1

External links

http://ubuntu.com/security/notices/USN-6347-1

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) Memory leak

EUVDB-ID: #VU73765

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-2023-0597

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

Exploit availability: No

Description

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

The vulnerability exists due to memory leak within the Linux kernel cpu_entry_area mapping of X86 CPU data. A local user can gain access to sensitive information.

Mitigation

Update the affected package linux-azure-fde-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-azure-fde (Ubuntu package): before 5.15.0.1043.50~20.04.1.22

linux-image-5.15.0-1043-azure-fde (Ubuntu package): before 5.15.0-1043.50~20.04.1.1

External links

http://ubuntu.com/security/notices/USN-6347-1

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) Use-after-free

EUVDB-ID: #VU75204

Risk: Low

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

CVE-ID: CVE-2023-1611

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error within the btrfs_search_slot() function in fs/btrfs/ctree.c. A local user can trigger a use-after-free error and crash the kernel.

Mitigation

Update the affected package linux-azure-fde-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-azure-fde (Ubuntu package): before 5.15.0.1043.50~20.04.1.22

linux-image-5.15.0-1043-azure-fde (Ubuntu package): before 5.15.0-1043.50~20.04.1.1

External links

http://ubuntu.com/security/notices/USN-6347-1

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) Use-after-free

EUVDB-ID: #VU75451

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-2023-1855

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error within the xgene_hwmon_remove() function in drivers/hwmon/xgene-hwmon.c in the Hardware Monitoring Linux Kernel Driver (xgene-hwmon). A local user can trigger a use-after-free error and execute arbitrary code on the system.

Mitigation

Update the affected package linux-azure-fde-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-azure-fde (Ubuntu package): before 5.15.0.1043.50~20.04.1.22

linux-image-5.15.0-1043-azure-fde (Ubuntu package): before 5.15.0-1043.50~20.04.1.1

External links

http://ubuntu.com/security/notices/USN-6347-1

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) Use-after-free

EUVDB-ID: #VU75453

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-2023-1990

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error within the ndlc_remove() function in drivers/nfc/st-nci/ndlc.c. A local user can trigger a use-after-free error and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-fde-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-azure-fde (Ubuntu package): before 5.15.0.1043.50~20.04.1.22

linux-image-5.15.0-1043-azure-fde (Ubuntu package): before 5.15.0-1043.50~20.04.1.1

External links

http://ubuntu.com/security/notices/USN-6347-1

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.

7) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU75163

Risk: Low

CVSSv3.1: 4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2023-2002

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

Exploit availability: Yes

Description

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

The vulnerability exists due to improper permissions check in the Bluetooth subsystem when handling ioctl system calls of HCI sockets. A local user can acquire a trusted socket, leading to unauthorized execution of management commands.

Mitigation

Update the affected package linux-azure-fde-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-azure-fde (Ubuntu package): before 5.15.0.1043.50~20.04.1.22

linux-image-5.15.0-1043-azure-fde (Ubuntu package): before 5.15.0-1043.50~20.04.1.1

External links

http://ubuntu.com/security/notices/USN-6347-1

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) Out-of-bounds read

EUVDB-ID: #VU75323

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-2023-2124

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

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition within the XFS subsystem in Linux kernel. A local user can trigger an out-of-bounds read error and crash the kernel.

Mitigation

Update the affected package linux-azure-fde-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-azure-fde (Ubuntu package): before 5.15.0.1043.50~20.04.1.22

linux-image-5.15.0-1043-azure-fde (Ubuntu package): before 5.15.0-1043.50~20.04.1.1

External links

http://ubuntu.com/security/notices/USN-6347-1

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) Out-of-bounds write

EUVDB-ID: #VU79673

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-2023-2163

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

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in BPF verifier caused by improper marking of registers for precision tracking in certain situations. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux-azure-fde-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-azure-fde (Ubuntu package): before 5.15.0.1043.50~20.04.1.22

linux-image-5.15.0-1043-azure-fde (Ubuntu package): before 5.15.0-1043.50~20.04.1.1

External links

http://ubuntu.com/security/notices/USN-6347-1

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.

10) Out-of-bounds write

EUVDB-ID: #VU77249

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-2023-2194

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

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in the Linux kernel's SLIMpro I2C device driver. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux-azure-fde-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-azure-fde (Ubuntu package): before 5.15.0.1043.50~20.04.1.22

linux-image-5.15.0-1043-azure-fde (Ubuntu package): before 5.15.0-1043.50~20.04.1.1

External links

http://ubuntu.com/security/notices/USN-6347-1

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.

11) Use-after-free

EUVDB-ID: #VU75997

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-2023-2235

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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 Performance Events system. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux-azure-fde-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-azure-fde (Ubuntu package): before 5.15.0.1043.50~20.04.1.22

linux-image-5.15.0-1043-azure-fde (Ubuntu package): before 5.15.0-1043.50~20.04.1.1

External links

http://ubuntu.com/security/notices/USN-6347-1

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) Improper locking

EUVDB-ID: #VU77243

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-2023-2269

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

Description

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

The vulnerability exists due to double-locking error in table_clear in drivers/md/dm-ioctl.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-fde-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-azure-fde (Ubuntu package): before 5.15.0.1043.50~20.04.1.22

linux-image-5.15.0-1043-azure-fde (Ubuntu package): before 5.15.0-1043.50~20.04.1.1

External links

http://ubuntu.com/security/notices/USN-6347-1

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) NULL pointer dereference

EUVDB-ID: #VU73773

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-2023-23004

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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 get_sg_table() function in drivers/gpu/drm/arm/malidp_planes.c. A local user can pass specially crafted data to the system and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-fde-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-azure-fde (Ubuntu package): before 5.15.0.1043.50~20.04.1.22

linux-image-5.15.0-1043-azure-fde (Ubuntu package): before 5.15.0-1043.50~20.04.1.1

External links

http://ubuntu.com/security/notices/USN-6347-1

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) Race condition

EUVDB-ID: #VU74628

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-2023-28466

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

Exploit availability: No

Description

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

The vulnerability exists due to a race condition caused by a missing lock_sock call within the do_tls_getsockopt() function in net/tls/tls_main.c. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

Mitigation

Update the affected package linux-azure-fde-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-azure-fde (Ubuntu package): before 5.15.0.1043.50~20.04.1.22

linux-image-5.15.0-1043-azure-fde (Ubuntu package): before 5.15.0-1043.50~20.04.1.1

External links

http://ubuntu.com/security/notices/USN-6347-1

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) Race condition

EUVDB-ID: #VU75996

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-2023-30772

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

Exploit availability: No

Description

The vulnerability allows an attacker to compromise the affected system.

The vulnerability exists due to a race condition in rivers/power/supply/da9150-charger.c in Linux kernel. An attacker with physical access to device can trigger a race condition while unplugin the device and execute arbitrary code on the system.

Mitigation

Update the affected package linux-azure-fde-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-azure-fde (Ubuntu package): before 5.15.0.1043.50~20.04.1.22

linux-image-5.15.0-1043-azure-fde (Ubuntu package): before 5.15.0-1043.50~20.04.1.1

External links

http://ubuntu.com/security/notices/USN-6347-1

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.

16) Use-after-free

EUVDB-ID: #VU77955

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-2023-3141

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error within the r592_remove() function of drivers/memstick/host/r592.c in media access in the Linux kernel. A local user can trigger a use-after-free error and escalate privileges on the system.

Mitigation

Update the affected package linux-azure-fde-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-azure-fde (Ubuntu package): before 5.15.0.1043.50~20.04.1.22

linux-image-5.15.0-1043-azure-fde (Ubuntu package): before 5.15.0-1043.50~20.04.1.1

External links

http://ubuntu.com/security/notices/USN-6347-1

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: #VU79474

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-2023-32248

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error in ksmbd in Linux kernel when handling SMB2_TREE_CONNECT and SMB2_QUERY_INFO commands. A remote attacker can send specially crafted data to the system and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-fde-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-azure-fde (Ubuntu package): before 5.15.0.1043.50~20.04.1.22

linux-image-5.15.0-1043-azure-fde (Ubuntu package): before 5.15.0-1043.50~20.04.1.1

External links

http://ubuntu.com/security/notices/USN-6347-1

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.

18) Out-of-bounds read

EUVDB-ID: #VU78008

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-3268

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

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition within the relay_file_read_start_pos() function in kernel/relay.c in the relayfs. A local user can trigger an out-of-bounds read error and read contents of memory on the system or crash the kernel.

Mitigation

Update the affected package linux-azure-fde-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-azure-fde (Ubuntu package): before 5.15.0.1043.50~20.04.1.22

linux-image-5.15.0-1043-azure-fde (Ubuntu package): before 5.15.0-1043.50~20.04.1.1

External links

http://ubuntu.com/security/notices/USN-6347-1

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) Race condition

EUVDB-ID: #VU77496

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-2023-33203

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

Exploit availability: No

Description

The vulnerability allows an attacker to escalate privileges on the system.

The vulnerability exists due to a race condition in drivers/net/ethernet/qualcomm/emac/emac.c. An attacker with physical access to the system can exploit the race by unplugging an emac based device and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux-azure-fde-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-azure-fde (Ubuntu package): before 5.15.0.1043.50~20.04.1.22

linux-image-5.15.0-1043-azure-fde (Ubuntu package): before 5.15.0-1043.50~20.04.1.1

External links

http://ubuntu.com/security/notices/USN-6347-1

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.

20) Use-after-free

EUVDB-ID: #VU76410

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-2023-33288

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error within the bq24190_remove function in drivers/power/supply/bq24190_charger.c. A local authenticated user can trigger a use-after-free error and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-fde-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-azure-fde (Ubuntu package): before 5.15.0.1043.50~20.04.1.22

linux-image-5.15.0-1043-azure-fde (Ubuntu package): before 5.15.0-1043.50~20.04.1.1

External links

http://ubuntu.com/security/notices/USN-6347-1

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: #VU77957

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-2023-35823

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

Exploit availability: No

Description

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

The vulnerability exists due to a race condition within the saa7134_finidev() function in drivers/media/pci/saa7134/saa7134-core.c. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

Mitigation

Update the affected package linux-azure-fde-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-azure-fde (Ubuntu package): before 5.15.0.1043.50~20.04.1.22

linux-image-5.15.0-1043-azure-fde (Ubuntu package): before 5.15.0-1043.50~20.04.1.1

External links

http://ubuntu.com/security/notices/USN-6347-1

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) Use-after-free

EUVDB-ID: #VU78062

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-2023-35824

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error within the dm1105_remove() function in drivers/media/pci/dm1105/dm1105.c. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux-azure-fde-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-azure-fde (Ubuntu package): before 5.15.0.1043.50~20.04.1.22

linux-image-5.15.0-1043-azure-fde (Ubuntu package): before 5.15.0-1043.50~20.04.1.1

External links

http://ubuntu.com/security/notices/USN-6347-1

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: #VU77958

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-2023-35828

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

Exploit availability: No

Description

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

The vulnerability exists due to a race condition within the renesas_usb3_remove() function in drivers/usb/gadget/udc/renesas_usb3.c. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

Mitigation

Update the affected package linux-azure-fde-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-azure-fde (Ubuntu package): before 5.15.0.1043.50~20.04.1.22

linux-image-5.15.0-1043-azure-fde (Ubuntu package): before 5.15.0-1043.50~20.04.1.1

External links

http://ubuntu.com/security/notices/USN-6347-1

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) Use-after-free

EUVDB-ID: #VU78264

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-2023-35829

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error within the rkvdec_remove() function in drivers/staging/media/rkvdec/rkvdec.c. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux-azure-fde-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-azure-fde (Ubuntu package): before 5.15.0.1043.50~20.04.1.22

linux-image-5.15.0-1043-azure-fde (Ubuntu package): before 5.15.0-1043.50~20.04.1.1

External links

http://ubuntu.com/security/notices/USN-6347-1

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.

Risk	Medium
Patch available	YES
Number of vulnerabilities	24
CVE-ID	CVE-2022-4269 CVE-2022-48502 CVE-2023-0597 CVE-2023-1611 CVE-2023-1855 CVE-2023-1990 CVE-2023-2002 CVE-2023-2124 CVE-2023-2163 CVE-2023-2194 CVE-2023-2235 CVE-2023-2269 CVE-2023-23004 CVE-2023-28466 CVE-2023-30772 CVE-2023-3141 CVE-2023-32248 CVE-2023-3268 CVE-2023-33203 CVE-2023-33288 CVE-2023-35823 CVE-2023-35824 CVE-2023-35828 CVE-2023-35829
CWE-ID	CWE-833 CWE-125 CWE-401 CWE-416 CWE-264 CWE-787 CWE-667 CWE-476 CWE-362
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #7 is available.
Vulnerable software Subscribe	Ubuntu Operating systems & Components / Operating system linux-image-azure-fde (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.15.0-1043-azure-fde (Ubuntu package) Operating systems & Components / Operating system package or component
Vendor	Canonical Ltd.