SUSE update for the Linux Kernel (Live Patch 41 for SLE 12 SP3)

1) Buffer overflow

EUVDB-ID: #VU60988

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-2022-0330

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a random memory access flaw caused by a missing TLB flush in Linux kernel GPU i915 kernel driver functionality. A local user can execute arbitrary code on the system with elevated privileges.

Mitigation

Update the affected package the Linux Kernel (Live Patch 41 for SLE 12 SP3) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP: 12-SP3

SUSE Linux Enterprise Server: 12-SP3-LTSS

kgraft-patch-4_4_180-94_150-default-debuginfo: before 8-2.1

kgraft-patch-4_4_180-94_150-default: before 8-2.1

kgraft-patch-4_4_180-94_147-default-debuginfo: before 12-2.1

kgraft-patch-4_4_180-94_147-default: before 12-2.1

kgraft-patch-4_4_180-94_144-default-debuginfo: before 15-2.1

kgraft-patch-4_4_180-94_144-default: before 15-2.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap:12-SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP3-LTSS:*:*:*:*:*:*:*
• cpe:2.3:a:suse:kgraft-patch-4_4_180-94_150-default-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kgraft-patch-4_4_180-94_150-default:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kgraft-patch-4_4_180-94_147-default-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kgraft-patch-4_4_180-94_147-default:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kgraft-patch-4_4_180-94_144-default-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kgraft-patch-4_4_180-94_144-default:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2022/suse-su-20221640-1/

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.