CVE-2025-21995

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]

Score

CVSS 3.1 5.5 Medium

Status

Modified - 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published

2025-04-03

Last modified

2026-05-11

Affected products

• Linux Kernel (Linux)

References

• https://git.kernel.org/stable/c/1135a9431160575466ea9ac37ebd756ecbe35fff
• https://git.kernel.org/stable/c/35399c84dcedd6d31448fb9e1336ef52673f2882
• https://git.kernel.org/stable/c/a952f1ab696873be124e31ce5ef964d36bce817f
• https://git.kernel.org/stable/c/c76bd3c99293834de7d1dca5de536616d5655e38