SUSE update for the Linux Kernel (Live Patch 51 for SLE 15 SP2)

1) Memory leak

EUVDB-ID: #VU96290

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-43861

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the qmimux_rx_fixup() function in drivers/net/usb/qmi_wwan.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package the Linux Kernel (Live Patch 51 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_200-default-debuginfo: before 2-150200.5.6.1

kernel-livepatch-5_3_18-150200_24_200-default: before 2-150200.5.6.1

kernel-livepatch-SLE15-SP2_Update_51-debugsource: before 2-150200.5.6.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_live_patching:15-SP2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:kernel-livepatch-5_3_18-150200_24_200-default-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:kernel-livepatch-5_3_18-150200_24_200-default:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:kernel-livepatch-sle15-sp2_update_51-debugsource:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2024/suse-su-20244247-1/

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.