CVE-2025-21995

Published: Apr 3, 2025

Modified: May 11, 2026

PUBLISHED

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]

Vendor	Product	Versions
Linux	Linux	affected `2fdb8a8f07c2f1353770a324fd19b8114e4329ac - < c76bd3c99293834de7d1dca5de536616d5655e38` affected `2fdb8a8f07c2f1353770a324fd19b8114e4329ac - < 1135a9431160575466ea9ac37ebd756ecbe35fff` affected `2fdb8a8f07c2f1353770a324fd19b8114e4329ac - < 35399c84dcedd6d31448fb9e1336ef52673f2882` affected `2fdb8a8f07c2f1353770a324fd19b8114e4329ac - < a952f1ab696873be124e31ce5ef964d36bce817f`
Linux	Linux	affected `6.2` unaffected `0 - < 6.2` unaffected `6.6.85 - <= 6.6.` unaffected `6.12.21 - <= 6.12.` unaffected `6.13.9 - <= 6.13.*` +1 more versions

References

https://git.kernel.org/stable/c/c76bd3c99293834de7d1dca5de536616d5655e38

https://git.kernel.org/stable/c/1135a9431160575466ea9ac37ebd756ecbe35fff

https://git.kernel.org/stable/c/35399c84dcedd6d31448fb9e1336ef52673f2882

https://git.kernel.org/stable/c/a952f1ab696873be124e31ce5ef964d36bce817f

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CVE-2025-21995

Description

Affected Products

References