SUSE update for the Linux Kernel (Live Patch 51 for SLE 12 SP5)

1) Use-after-free

EUVDB-ID: #VU85023

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-51779

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 when handling bt_sock_ioctl in the Bluetooth subsystem. A local user can trigger a use-after-free error and execute arbitrary code on the system.

Mitigation

Update the affected package the Linux Kernel (Live Patch 51 for SLE 12 SP5) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

SUSE Linux Enterprise Live Patching: 12-SP5

kgraft-patch-4_12_14-122_179-default: before 5-2.2

kgraft-patch-4_12_14-122_162-default: before 9-2.2

kgraft-patch-4_12_14-122_186-default: before 4-2.2

kgraft-patch-4_12_14-122_159-default: before 10-2.2

kgraft-patch-4_12_14-122_165-default: before 8-2.2

kgraft-patch-4_12_14-122_176-default: before 6-2.2

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_live_patching:12-SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:kgraft-patch-4_12_14-122_179-default:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:kgraft-patch-4_12_14-122_162-default:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:kgraft-patch-4_12_14-122_186-default:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:kgraft-patch-4_12_14-122_159-default:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:kgraft-patch-4_12_14-122_165-default:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:kgraft-patch-4_12_14-122_176-default:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2024/suse-su-20241028-1/

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.