🛡️ CVE-2025-37844 — debian-linux

🟡 CVSS 5.5 — Medium ✅ No Known Exploit CWE-476 NVD
5.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

cifs: avoid NULL pointer dereference in dbg call

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

cifs: avoid NULL pointer dereference in dbg call

cifs_server_dbg() implies server to be non-NULL so

move call under condition to avoid NULL pointer dereference.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2025-37844 is classified as CWE-476: NULL Pointer Dereference. A pointer that can be null is used without a check, crashing the process.

Affected software

CVE-2025-37844 is recorded against 3 packages.

  • debian-linux
  • kernel (from 6.14.0 up to 6.14.3)
  • linux-kernel (from 6.14 up to 6.14.3)

Timeline and source

Published on 9 May 2025 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

git.kernel.org
git.kernel.org
git.kernel.org
git.kernel.org
git.kernel.org
git.kernel.org
git.kernel.org
git.kernel.org
lists.debian.org
lists.debian.org

CVE-2025-37844 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity MEDIUM
CVSS Score 5.5
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE CWE-476
Public Exploit ✅ No
Source NVD
Published 2025-05-09
Updated 2026-08-12
Modified 2026-06-17

Affected Packages

Software From version Fixed in
debian-linux — —
kernel 6.14.0 6.14.3
linux-kernel 6.14 6.14.3

References

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