Use After Free Affecting gfs2-kmp-default package, versions <5.14.21-150500.55.12.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-SLES155-GFS2KMPDEFAULT-5819870
  • published4 Aug 2023
  • disclosed3 Aug 2023

Introduced: 3 Aug 2023

CVE-2023-3812  (opens in a new tab)
CWE-416  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade SLES:15.5 gfs2-kmp-default to version 5.14.21-150500.55.12.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gfs2-kmp-default package and not the gfs2-kmp-default package as distributed by SLES. See How to fix? for SLES:15.5 relevant fixed versions and status.

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.

CVSS Scores

version 3.1