medium5.5
CVE-2023-53292
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->sys…
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | before 6.4.7 |
Weakness classification
References
- NVD record
- CVE.org record
- https://git.kernel.org/stable/c/245165658e1c9f95c0fecfe02b9b1ebd30a1198a
- https://git.kernel.org/stable/c/3e977386521b71471e66ec2ba82efdfcc456adf2
- https://git.kernel.org/stable/c/988ddb77218d3975dd13dee7bb0e1fae098a9fdb
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html
- https://cert-portal.siemens.com/productcert/html/ssa-457936.html
- https://cert-portal.siemens.com/productcert/html/ssa-784472.html