Use After Free Affecting kernel-default-devel package, versions <5.3.18-59.5.2


Severity

Recommended
high

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.05% (22nd percentile)

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  • Snyk IDSNYK-SLES153-KERNELDEFAULTDEVEL-2676165
  • published14 Apr 2022
  • disclosed15 Jun 2021

Introduced: 15 Jun 2021

CVE-2020-25671  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.3 kernel-default-devel to version 5.3.18-59.5.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-default-devel package and not the kernel-default-devel package as distributed by SLES. See How to fix? for SLES:15.3 relevant fixed versions and status.

A vulnerability was found in Linux Kernel, where a refcount leak in llcp_sock_connect() causing use-after-free which might lead to privilege escalations.

CVSS Scores

version 3.1