CVE-2023-54088

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().

CVSS 3.1

7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 5% of CVEs (scores of 2026-10-25)

Published

2025-12-24

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

References

• https://git.kernel.org/stable/c/083b58373463a6e5ee60ecb135269348f68ad7df
• https://git.kernel.org/stable/c/b5dae1cd0d8368b4338430ff93403df67f0b8bcc
• https://git.kernel.org/stable/c/c164c7bc9775be7bcc68754bb3431fce5823822e
• https://git.kernel.org/stable/c/cd4ffdf56791eec95af01f06bee1ec7665ca75c4

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