SUSE update for the Linux Kernel RT (Live Patch 0 for SLE 15 SP6)

Published: 2024-08-28

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-52772 CVE-2024-36921
CWE-ID	CWE-416 CWE-125
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	SUSE Linux Enterprise Live Patching Operating systems & Components / Operating system SUSE Linux Enterprise Real Time 15 Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications 15 Operating systems & Components / Operating system SUSE Linux Enterprise Server 15 Operating systems & Components / Operating system kernel-livepatch-SLE15-SP6-RT_Update_0-debugsource Operating systems & Components / Operating system package or component kernel-livepatch-6_4_0-150600_8-rt-debuginfo Operating systems & Components / Operating system package or component kernel-livepatch-6_4_0-150600_8-rt Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU90073

Risk: Low

CVSSv3.1: 7.7 [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-2023-52772

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 unix_stream_recv_urg() function in net/unix/af_unix.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package the Linux Kernel RT (Live Patch 0 for SLE 15 SP6) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Live Patching: 15-SP6

SUSE Linux Enterprise Real Time 15: SP6

SUSE Linux Enterprise Server for SAP Applications 15: SP6

SUSE Linux Enterprise Server 15: SP6

kernel-livepatch-SLE15-SP6-RT_Update_0-debugsource: before 2-150600.3.3.2

kernel-livepatch-6_4_0-150600_8-rt-debuginfo: before 2-150600.3.3.2

kernel-livepatch-6_4_0-150600_8-rt: before 2-150600.3.3.2

External links

http://www.suse.com/support/update/announcement/2024/suse-su-20243060-1/

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: #VU90270