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Use After Free Affecting kernel-livepatch-4_12_14-25_3-default package, versions <9-2.1

Severity

 Recommended
low

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.57% (46th percentile)

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  • Snyk IDSNYK-SLES150-KERNELLIVEPATCH41214253DEFAULT-2748019
  • published14 Apr 2022
  • disclosed6 Jun 2019
Report a new vulnerability Found a mistake?

Introduced: 6 Jun 2019

CVE-2018-14734  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.0 kernel-livepatch-4_12_14-25_3-default to version 9-2.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-4_12_14-25_3-default package and not the kernel-livepatch-4_12_14-25_3-default package as distributed by SLES. See How to fix? for SLES:15.0 relevant fixed versions and status.

drivers/infiniband/core/ucma.c in the Linux kernel through 4.17.11 allows ucma_leave_multicast to access a certain data structure after a cleanup step in ucma_process_join, which allows attackers to cause a denial of service (use-after-free).

References