GHSA-j898-m92w-4243MediumCVSS 5.5
In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix NULL dereference...
🔗 CVE IDs covered (1)
📋 Description
In the Linux kernel, the following vulnerability has been resolved:
blk-mq: fix NULL dereference on q->elevator in blk_mq_elv_switch_none
After grabbing q->sysfs_lock, q->elevator may become NULL because of elevator switch.
Fix the NULL dereference on q->elevator by checking it with lock.
🔗 References (5)
- https://nvd.nist.gov/vuln/detail/CVE-2023-53292
- https://git.kernel.org/stable/c/245165658e1c9f95c0fecfe02b9b1ebd30a1198a
- https://git.kernel.org/stable/c/3e977386521b71471e66ec2ba82efdfcc456adf2
- https://git.kernel.org/stable/c/988ddb77218d3975dd13dee7bb0e1fae098a9fdb
- https://github.com/advisories/GHSA-j898-m92w-4243