CVE-2023-53292 is a NULL dereference vulnerability in the Linux kernel's block multi-queue (blk-mq) subsystem, specifically affecting the blk_mq_elv_switch_none function. This flaw occurs when q->elevator becomes NULL after an elevator switch while q->sysfs_lock is held. Rated Medium severity with a CVSS score of 5.5, it has a local attack vector, low attack complexity, and can lead to high availability impact (system crash). There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 6.4.7CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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