CVE-2025-40103 Affecting kernel-macros package, versions <6.4.0-150700.53.34.1


Severity

Recommended
0.0
low
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.08% (23rd percentile)

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  • Snyk IDSNYK-SLES157-KERNELMACROS-15851376
  • published31 Mar 2026
  • disclosed26 Mar 2026

Introduced: 26 Mar 2026

NewCVE-2025-40103  (opens in a new tab)

How to fix?

Upgrade SLES:15.7 kernel-macros to version 6.4.0-150700.53.34.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-macros package and not the kernel-macros package as distributed by SLES. See How to fix? for SLES:15.7 relevant fixed versions and status.

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

smb: client: Fix refcount leak for cifs_sb_tlink

Fix three refcount inconsistency issues related to cifs_sb_tlink.

Comments for cifs_sb_tlink state that cifs_put_tlink() needs to be called after successful calls to cifs_sb_tlink(). Three calls fail to update refcount accordingly, leading to possible resource leaks.

CVSS Base Scores

version 3.1