SUSE update for the Linux Kernel (Live Patch 40 for SLE 12 SP5)

1) Use-after-free

EUVDB-ID: #VU84585

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-2023-6932

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local authenticated user to execute arbitrary code.

The vulnerability exists due to a use-after-free error within the ipv4 igmp component in Linux kernel. A local authenticated user can trigger a use-after-free error and execute arbitrary code.

Mitigation

Update the affected package the Linux Kernel (Live Patch 40 for SLE 12 SP5) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Live Patching: 12-SP5 - 15-SP1

SUSE Linux Enterprise Server for SAP Applications 15: SP1

SUSE Linux Enterprise Server 15: SP1

SUSE Linux Enterprise High Performance Computing 15: SP1

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

kgraft-patch-4_12_14-122_179-default: before 3-2.1

kgraft-patch-4_12_14-122_150-default: before 11-2.2

kernel-livepatch-4_12_14-150100_197_137-default: before 9-150100.2.1

kernel-livepatch-4_12_14-150100_197_148-default: before 7-150100.2.1

kernel-livepatch-4_12_14-150100_197_157-default: before 4-150100.2.1

kernel-livepatch-4_12_14-150100_197_151-default: before 6-150100.2.1

kernel-livepatch-4_12_14-150100_197_154-default: before 5-150100.2.1

kernel-livepatch-4_12_14-150100_197_145-default: before 9-150100.2.1

External links

http://www.suse.com/support/update/announcement/2024/suse-su-20240380-1/

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.