CVE-2025-38095 Affecting linux-6.1 package, versions <6.1.140-1~deb11u1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.04% (10th percentile)

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  • Snyk IDSNYK-DEBIAN11-LINUX61-11786189
  • published13 Aug 2025
  • disclosed3 Jul 2025

Introduced: 3 Jul 2025

CVE-2025-38095  (opens in a new tab)

How to fix?

Upgrade Debian:11 linux-6.1 to version 6.1.140-1~deb11u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream linux-6.1 package and not the linux-6.1 package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

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

dma-buf: insert memory barrier before updating num_fences

smp_store_mb() inserts memory barrier after storing operation. It is different with what the comment is originally aiming so Null pointer dereference can be happened if memory update is reordered.

CVSS Base Scores

version 3.1