CVE-2025-21995

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

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

drm/sched: Fix fence reference count leak

The last_scheduled fence leaks when an entity is being killed and adding the cleanup callback fails.

Decrement the reference count of prev when dma_fence_add_callback() fails, ensuring proper balance.

[phasta: add git tag info for stable kernel]

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected software

VendorProductVersions
LinuxLinux>= 2fdb8a8f07c2f1353770a324fd19b8114e4329ac, < c76bd3c99293834de7d1dca5de536616d5655e38; >= 2fdb8a8f07c2f1353770a324fd19b8114e4329ac, < 1135a9431160575466ea9ac37ebd756ecbe35fff; >= 2fdb8a8f07c2f1353770a324fd19b8114e4329ac, < 35399c84dcedd6d31448fb9e1336ef52673f2882; >= 2fdb8a8f07c2f1353770a324fd19b8114e4329ac, < a952f1ab696873be124e31ce5ef964d36bce817f
LinuxLinux6.2

References

Timeline

Published
Apr 3, 2025
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2025-21995: Medium severity, CVSS 5.5 | Vulnix