CVE-2026-53048
Description
In the Linux kernel, the following vulnerability has been resolved: gfs2: prevent NULL pointer dereference during unmount When flushing out outstanding glock work during an unmount, gfs2_log_flush() can be called when sdp->sd_jdesc has already been deallocated and sdp->sd_jdesc is NULL. Commit 35264909e9d1 ("gfs2: Fix NULL pointer dereference in gfs2_log_flush") added a check for that to gfs2_log_flush() itself, but it missed the sdp->sd_jdesc dereference in gfs2_log_release(). Fix that.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://git.kernel.org/stable/c/233a0945a4b1dbe3f38c30afb7d05b76c67f1193
- https://git.kernel.org/stable/c/2fc4c868c9060f424fd4a7cacb0aec5082aba4de
- https://git.kernel.org/stable/c/74b4dbb946060a3233604d91859a9abd3708141d
- https://git.kernel.org/stable/c/abd73229f0e886a91a16ea781ab656bd9b4d1ee8
- https://git.kernel.org/stable/c/cec55674354794eddb80b914f73a6bf9b7fc304a
- https://git.kernel.org/stable/c/d8ffae016c4a78693fe1283335d0b6833a9c1366
- https://git.kernel.org/stable/c/e15f16761594e80b15776980b27c35477655a135
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.