CVE-2025-21995
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
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]
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 2fdb8a8f07c2f1353770a324fd19b8114e4329ac < c76bd3c99293834de7d1dca5de536616d5655e38 | affected |
| Linux | Linux | 2fdb8a8f07c2f1353770a324fd19b8114e4329ac < 1135a9431160575466ea9ac37ebd756ecbe35fff | affected |
| Linux | Linux | 2fdb8a8f07c2f1353770a324fd19b8114e4329ac < 35399c84dcedd6d31448fb9e1336ef52673f2882 | affected |
| Linux | Linux | 2fdb8a8f07c2f1353770a324fd19b8114e4329ac < a952f1ab696873be124e31ce5ef964d36bce817f | affected |
| Linux | Linux | 6.2 | affected |
| Linux | Linux | 0 < 6.2 | unaffected |
| Linux | Linux | 6.6.85 <= 6.6.* | unaffected |
| Linux | Linux | 6.12.21 <= 6.12.* | unaffected |
| Linux | Linux | 6.13.9 <= 6.13.* | unaffected |
| Linux | Linux | 6.14 <= * | unaffected |
Weaknesses
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
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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