CVE-2025-21995

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Source
https://cve.org/CVERecord?id=CVE-2025-21995
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21995.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-21995
Downstream
Related
Published
2025-04-03T07:18:59.178Z
Modified
2026-03-11T07:48:43.958172Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
drm/sched: Fix fence reference count leak
Details

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 dmafenceadd_callback() fails, ensuring proper balance.

[phasta: add git tag info for stable kernel]

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21995.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
2fdb8a8f07c2f1353770a324fd19b8114e4329ac
Fixed
c76bd3c99293834de7d1dca5de536616d5655e38
Fixed
1135a9431160575466ea9ac37ebd756ecbe35fff
Fixed
35399c84dcedd6d31448fb9e1336ef52673f2882
Fixed
a952f1ab696873be124e31ce5ef964d36bce817f

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21995.json"