CVE-2023-53292

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Source
https://cve.org/CVERecord?id=CVE-2023-53292
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53292.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-53292
Downstream
Related
Published
2025-09-16T08:11:24.583Z
Modified
2026-04-02T09:43:56.405671Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
blk-mq: fix NULL dereference on q->elevator in blk_mq_elv_switch_none
Details

In the Linux kernel, the following vulnerability has been resolved:

blk-mq: fix NULL dereference on q->elevator in blkmqelvswitchnone

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.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53292.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
5fd7a84a09e640016fe106dd3e992f5210e23dc7
Fixed
3e977386521b71471e66ec2ba82efdfcc456adf2
Fixed
245165658e1c9f95c0fecfe02b9b1ebd30a1198a

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53292.json"