SUSE update for the Linux Kernel (Live Patch 24 for SLE 15 SP2)

1) Use-after-free

EUVDB-ID: #VU62358

Risk: Low

CVSSv4.0: 4.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-1280

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to a use-after-free error within the drm_lease_held() function in drivers/gpu/drm/drm_lease.c in the Linux kernel. A local user can run a specially crafted program to trigger a use-after-free error and crash the kernel or gain access to sensitive information.

Mitigation

Update the affected package the Linux Kernel (Live Patch 24 for SLE 15 SP2) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server: 15-SP2 - 15-SP3-LTSS

SUSE Linux Enterprise High Performance Computing: 15-SP2 - 15-SP3-LTSS

SUSE Linux Enterprise Server for SAP Applications: 15-SP2 - 15-SP3

SUSE Linux Enterprise Module for Live Patching: 15-SP2 - 15-SP3

SUSE Linux Enterprise Micro: 5.1

kernel-livepatch-SLE15-SP2_Update_24-debugsource: before 7-150200.2.1

kernel-livepatch-5_3_18-24_102-default-debuginfo: before 7-150200.2.1

kernel-livepatch-5_3_18-24_102-default: before 7-150200.2.1

kernel-livepatch-SLE15-SP3_Update_2-debugsource: before 15-150300.2.1

kernel-livepatch-5_3_18-59_10-default-debuginfo: before 15-150300.2.1

kernel-livepatch-5_3_18-59_10-default: before 15-150300.2.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_server:15-SP2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server:15-SP3-LTSS:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing:15-SP2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing:15-SP3-LTSS:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications:15-SP2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications:15-SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_module_for_live_patching:15-SP2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_module_for_live_patching:15-SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_micro:5.1:*:*:*:*:*:*:*
• cpe:2.3:a:suse:kernel-livepatch-sle15-sp2_update_24-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-livepatch-5_3_18-24_102-default-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-livepatch-5_3_18-24_102-default:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-livepatch-sle15-sp3_update_2-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-livepatch-5_3_18-59_10-default-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-livepatch-5_3_18-59_10-default:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2022/suse-su-20221849-1/

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.