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CVE-2025-37930

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: Fix WARN_ON in nouveau_fence_context_kill() Nouveau is mostly designed in a way that it's expected that fences onl…

Published May 20, 2025CWE-617EPSS 0.23%

Overview

CVE-2025-37930 is a medium-severity vulnerability. It was published on May 20, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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

drm/nouveau: Fix WARN_ON in nouveau_fence_context_kill()

Nouveau is mostly designed in a way that it's expected that fences only

ever get signaled through nouveau_fence_signal(). However, in at least

one other place, nouveau_fence_done(), can signal fences, too. If that

happens (race) a signaled fence remains in the pending list for a while,

until it gets removed by nouveau_fence_update().

Should nouveau_fence_context_kill() run in the meantime, this would be

a bug because the function would attempt to set an error code on an

already signaled fence.

Have nouveau_fence_context_kill() check for a fence being signaled.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/0453825167ecc816ec15c736e52316f69db0deb9Refgit.kernel.org/stable/c/126f5c6e0cb84e5c6f7a3a856d799d85668fb38eRefgit.kernel.org/stable/c/2ec0f5f6d4768f292c8406ed92fa699f184577e5Refgit.kernel.org/stable/c/39d6e889c0b19a2c79e1c74c843ea7c2d0f99c28Refgit.kernel.org/stable/c/47ca11836c35c5698088fd87f7fb4b0ffa217e17Refgit.kernel.org/stable/c/b771b2017260ffc3a8d4e81266619649bffcb242Refgit.kernel.org/stable/c/bbe5679f30d7690a9b6838a583b9690ea73fe0e9Reflists.debian.org/debian-lts-announce/2025/08/msg00010.htmlReflists.debian.org/debian-lts-announce/2025/10/msg00007.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-37930?

CVE-2025-37930 is a medium-severity vulnerability. It was published on May 20, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-37930?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-37930?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-37930?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-37930 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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