SUSE update for the Linux Kernel RT (Live Patch 7 for SLE 15 SP5)

1) Race condition

EUVDB-ID: #VU85024

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-2023-51780

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 in the ATM (Asynchronous Transfer Mode) subsystem in Linux kernel. A local user can exploit the race and escalate privileges on the system.

Mitigation

Update the affected package the Linux Kernel RT (Live Patch 7 for SLE 15 SP5) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.5

SUSE Linux Enterprise Live Patching: 15-SP5

SUSE Linux Enterprise Server for SAP Applications 15: SP5

SUSE Linux Enterprise Server 15: SP5

SUSE Linux Enterprise Real Time 15: SP5

SUSE Linux Enterprise High Performance Computing 15: SP5

openSUSE Leap: 15.5

kernel-livepatch-5_14_21-150500_13_21-rt-debuginfo: before 4-150500.2.1

kernel-livepatch-SLE15-SP5-RT_Update_7-debugsource: before 4-150500.2.1

kernel-livepatch-5_14_21-150500_13_24-rt-debuginfo: before 4-150500.2.1

kernel-livepatch-SLE15-SP5-RT_Update_6-debugsource: before 4-150500.2.1

kernel-livepatch-5_14_21-150500_13_21-rt: before 4-150500.2.1

kernel-livepatch-5_14_21-150500_13_24-rt: before 4-150500.2.1

External links

http://www.suse.com/support/update/announcement/2024/suse-su-20240620-1/

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.