5.5
Medium
CVE-2023-53292 In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix NULL dereference on q->elevator in…
Description
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 and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux 6.5 | earliest → < 6.5 | 6.5 |
| Linux 6.4 | earliest → < 6.4.7 | 6.4.7 |
| Linux 6.1 | earliest → < 6.1.175 | 6.1.175 |
| Linux | 5.19 | No fix stated |
| SIMATIC S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
| SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
| SIPLUS S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
| SIMATIC S7-1500 TM MFP - GNU/Linux subsystem | Versions not published |
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