Linux Kernel blk-cgroup: hold queue_lock when removing blkg->q_node
CVE-2023-54088 Published on December 24, 2025
blk-cgroup: hold queue_lock when removing blkg->q_node
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().
Products Associated with CVE-2023-54088
stack.watch emails you whenever new vulnerabilities are published in Linux Kernel or Linux Kernel. Just hit a watch button to start following.
Affected Versions
Linux:- Version 81c1188905f88b77743d1fdeeedfc8cb7b67787d and below b5dae1cd0d8368b4338430ff93403df67f0b8bcc is affected.
- Version bfe46d2efe46c5c952f982e2ca94fe2ec5e58e2a and below 083b58373463a6e5ee60ecb135269348f68ad7df is affected.
- Version f1c006f1c6850c14040f8337753a63119bba39b9 and below cd4ffdf56791eec95af01f06bee1ec7665ca75c4 is affected.
- Version f1c006f1c6850c14040f8337753a63119bba39b9 and below c164c7bc9775be7bcc68754bb3431fce5823822e is affected.
- Version 6.3 is affected.
- Before 6.3 is unaffected.
- Version 6.1.17, <= 6.1.* is unaffected.
- Version 6.2.4, <= 6.2.* is unaffected.
- Version 6.4.12, <= 6.4.* is unaffected.
- Version 6.5, <= * is unaffected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.