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().
02 / AFFECTED SOFTWARE
Affected packages
2 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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().
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- 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
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54088.json
- https://nvd.nist.gov/vuln/detail/CVE-2023-54088