CVE-2025-40204 Affecting gfs2-kmp-default package, versions <6.12.0-160000.8.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.05% (17th percentile)

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  • Snyk IDSNYK-SLES1600-GFS2KMPDEFAULT-14912230
  • published10 Jan 2026
  • disclosed19 Dec 2025

Introduced: 19 Dec 2025

CVE-2025-40204  (opens in a new tab)

How to fix?

Upgrade SLES:16.0.0 gfs2-kmp-default to version 6.12.0-160000.8.1 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:16.0.0 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

sctp: Fix MAC comparison to be constant-time

To prevent timing attacks, MACs need to be compared in constant time. Use the appropriate helper function for this.

CVSS Base Scores

version 3.1