DEBIAN-CVE-2025-21911
- Source
- https://security-tracker.debian.org/tracker/DEBIAN-CVE-2025-21911
- Import Source
- https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-21911.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2025-21911
- Upstream
- Published
- 2025-04-01T16:15:21Z
- Modified
- 2025-09-19T06:03:19Z
- Summary
- [none]
- Details
-
In the Linux kernel, the following vulnerability has been resolved: drm/imagination: avoid deadlock on fence release Do scheduler queue fence release processing on a workqueue, rather than in the release function itself. Fixes deadlock issues such as the following: [ 607.400437] ============================================ [ 607.405755] WARNING: possible recursive locking detected [ 607.415500] -------------------------------------------- [ 607.420817] weston:zfq0/24149 is trying to acquire lock: [ 607.426131] ffff000017d041a0 (reservationwwclassmutex){+.+.}-{3:3}, at: pvrgemobjectvunmap+0x40/0xc0 [powervr] [ 607.436728] but task is already holding lock: [ 607.442554] ffff000017d105a0 (reservationwwclassmutex){+.+.}-{3:3}, at: dmabufioctl+0x250/0x554 [ 607.451727] other info that might help us debug this: [ 607.458245] Possible unsafe locking scenario: [ 607.464155] CPU0 [ 607.466601] ---- [ 607.469044] lock(reservationwwclassmutex); [ 607.473584] lock(reservationwwclass_mutex); [ 607.478114] * DEADLOCK *
- References
Affected packages
Debian:13 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source
Debian:14 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source