CVE-2021-47498
Medium
Description
In the Linux kernel, the following vulnerability has been resolved: dm rq: don't queue request to blk-mq during DM suspend DM uses blk-mq's quiesce/unquiesce to stop/start device mapper queue. But blk-mq's unquiesce may come from outside events, such as elevator switch, updating nr_requests or others, and request may come during suspend, so simply ask for blk-mq to requeue it. Fixes one kernel panic issue when running updating nr_requests and dm-mpath suspend/resume stress test.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedMay 22, 2024
First seenMay 22, 2024
How to fix
Update
- linux linux_kernel5.14.14 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 5.14.14, 5.15 | 5.14.14 |
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