VDB
CISA-2023-53292
CISA-2023-53292
PUBLISHED
CVSS 5.5 MEDIUM
Reported by Linux · Published September 16, 2025
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.
Risk Scores
CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 5fd7a84a09e640016fe106dd3e992f5210e23dc7, 5fd7a84a09e640016fe106dd3e992f5210e23dc7 |
| Linux | Linux | 5.19, 0, 6.4.7 |
| Linux | Linux | *, 0, 6.4.7 |
| linux | linux_kernel | 5.19, 5.19, 5.19 |
Timeline
- Sep 16, 2025 CVE Published
- Jan 14, 2026 CVE Updated