Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 5fd7a84a09e640016fe106dd3e992f5210e23dc7 before 988ddb77218d3975dd13dee7bb0e1fae098a9fdb; affected 5fd7a84a09e640016fe106dd3e992f5210e23dc7 before 3e977386521b71471e66ec2ba82efdfcc456adf2; affected 5fd7a84a09e640016fe106dd3e992f5210e23dc7 before 245165658e1c9f95c0fecfe02b9b1ebd30a1198a |
| Linux / Linux | affected 5.19; unaffected 0 before 5.19; unaffected 6.1.175 through 6.1.*; unaffected 6.4.7 through 6.4.*; unaffected 6.5 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/988ddb77218d3975dd13dee7bb0e1fae098a9fdb
- https://git.kernel.org/stable/c/3e977386521b71471e66ec2ba82efdfcc456adf2
- https://git.kernel.org/stable/c/245165658e1c9f95c0fecfe02b9b1ebd30a1198a
ADP enrichment
No English description supplied.
No references supplied.
No English description supplied.