CVE-2025-37844

cifs: avoid NULL pointer dereference in dbg call

MEDIUM

5.5

CVSS Score

Published: May 9, 2025 at 06:41 AM UTC

Updated: June 17, 2026 at 09:15 AM UTC

2 products affected across 2 vendorsLinux KernelDebian Linux

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.3%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Debian Linux · Debiandrupal

95%

11.0

Linux Kernel · Linux

95%

v ≥ 5.6.75.11 ≤ v < 5.15.1815.16 ≤ v < 6.1.1355.6.7 ≤ v < 5.10.2375.6.7 ≤ v < 5.75.7 ≤ v < 5.10.2375.7 ≤ v < 5.15.1815.7 ≤ v < 6.1.1355.7 ≤ v < 6.12.245.7 ≤ v < 6.13.125.7 ≤ v < 6.14.35.7 ≤ v < 6.155.7 ≤ v < 6.6.886.13 ≤ v < 6.13.126.14 ≤ v < 6.14.36.2 ≤ v < 6.6.886.7 ≤ v < 6.12.245.6.7 5.753e83828d352304fec5e19751f38ed8c65e6ec2fe79b0332ae06b4895dcecddf4bbc5d3917e9383c

Vendor states this is fixed in 20048e658652e731f5cadf4a695925e570ca0ff9 (fixed)

Vendor states this is fixed in 6c14ee6af8f1f188b668afd6d003f7516a507b08 (fixed)

Vendor states this is fixed in 864ba5c651b03830f36f0906c21af05b15c1aaa6 (fixed)

Vendor states this is fixed in 9c9000cb91b986eb7f75835340c67857ab97c09b (fixed)

Vendor states this is fixed in b2a1833e1c63e2585867ebeaf4dd41494dcede4b (fixed)

Vendor states this is fixed in b4885bd5935bb26f0a414ad55679a372e53f9b9b (fixed)

Vendor states this is fixed in ba3ce6c60cd5db258687dfeba9fc608f5e7cadf3 (fixed)

Vendor states this is fixed in e0717385f5c51e290c2cd2ad4699a778316b5132 (fixed)

Vendor states this is fixed in 5.10.237 (unaffected)

Vendor states this is fixed in 5.15.181 (unaffected)

Vendor states this is fixed in 5.7 (unaffected)

Vendor states this is fixed in 6.1.135 (unaffected)