SUSE update for the Linux Kernel (Live Patch 43 for SLE 15 SP2)

Published: 2024-05-08 | Updated: 2024-12-19

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2024-0775 CVE-2024-1086
CWE-ID	CWE-416
Exploitation vector	Local
Public exploit	Vulnerability #2 is being exploited in the wild.
Vulnerable software	SUSE Linux Enterprise Live Patching 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 SUSE Linux Enterprise High Performance Computing 15 Operating systems & Components / Operating system kernel-livepatch-5_3_18-150200_24_172-default-debuginfo Operating systems & Components / Operating system package or component kernel-livepatch-SLE15-SP2_Update_43-debugsource Operating systems & Components / Operating system package or component kernel-livepatch-5_3_18-150200_24_172-default 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: #VU86576

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-2024-0775

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 __ext4_remount() function in fs/ext4/super.c in ext4. 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 43 for SLE 15 SP2) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Live Patching: 15-SP2

SUSE Linux Enterprise Server for SAP Applications 15: SP2

SUSE Linux Enterprise Server 15: SP2

SUSE Linux Enterprise High Performance Computing 15: SP2

kernel-livepatch-5_3_18-150200_24_172-default-debuginfo: before 6-150200.2.1

kernel-livepatch-SLE15-SP2_Update_43-debugsource: before 6-150200.2.1

kernel-livepatch-5_3_18-150200_24_172-default: before 6-150200.2.1

CPE2.3

External links

https://www.suse.com/support/update/announcement/2024/suse-su-20241554-1/

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) Use-after-free

EUVDB-ID: #VU86577

Risk: High

CVSSv4.0: 8.5 [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:A/U:Amber]

CVE-ID: CVE-2024-1086