Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU64082
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-1734
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to Marvell NFC device driver implementation in the Linux kernel did not properly perform memory cleanup operations in some situations. A local user can trigger use-after-free to escalate privileges on the system.
MitigationUpdate the affected package the Linux Kernel (Live Patch 30 for SLE 15 SP1) to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Server for SAP Applications: 15-SP1
SUSE Linux Enterprise Server: 15-SP1
SUSE Linux Enterprise Module for Live Patching: 15-SP1
SUSE Linux Enterprise High Performance Computing: 15-SP1
SUSE Linux Enterprise Live Patching: 12-SP4 - 12-SP5
kgraft-patch-4_12_14-95_96-default: before 4-2.2
kgraft-patch-4_12_14-95_88-default: before 6-2.2
kgraft-patch-4_12_14-95_80-default: before 15-2.2
kgraft-patch-4_12_14-122_98-default: before 11-2.2
kgraft-patch-4_12_14-122_88-default: before 13-2.2
kgraft-patch-4_12_14-122_83-default: before 15-2.2
kgraft-patch-4_12_14-122_80-default: before 16-2.2
kgraft-patch-4_12_14-122_116-default: before 4-2.2
kgraft-patch-4_12_14-122_113-default: before 6-2.2
kgraft-patch-4_12_14-122_110-default: before 7-2.2
kgraft-patch-4_12_14-122_106-default: before 9-2.2
kgraft-patch-4_12_14-122_103-default: before 11-2.2
kernel-livepatch-4_12_14-197_99-default: before 15-150100.2.2
kernel-livepatch-4_12_14-197_108-default: before 5-150100.2.2
kernel-livepatch-4_12_14-197_105-default: before 6-150100.2.2
kernel-livepatch-4_12_14-150100_197_111-default: before 4-150100.2.2
External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-20222206-1/
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.