CVEvulnerability
CVE-2023-54088
7.8 HIGH
Official page ↗
- Status
- Deferred
- Published
- 2025-12-24
- Last modified
- 2026-10-15
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
In the Linux kernel, the following vulnerability has been resolved:
blk-cgroup: hold queue_lock when removing blkg->q_node
When blkg is removed from q->blkg_list from blkg_free_workfn(), queue_lock
has to be held, otherwise, all kinds of bugs(list corruption, hard lockup,
..) can be triggered from blkg_destroy_all().
References
- https://git.kernel.org/stable/c/083b58373463a6e5ee60ecb135269348f68ad7df git.kernel.org
- https://git.kernel.org/stable/c/b5dae1cd0d8368b4338430ff93403df67f0b8bcc git.kernel.org
- https://git.kernel.org/stable/c/c164c7bc9775be7bcc68754bb3431fce5823822e git.kernel.org
- https://git.kernel.org/stable/c/cd4ffdf56791eec95af01f06bee1ec7665ca75c4 git.kernel.org