CVE-2022-49122
Medium
Description
In the Linux kernel, the following vulnerability has been resolved: dm ioctl: prevent potential spectre v1 gadget It appears like cmd could be a Spectre v1 gadget as it's supplied by a user and used as an array index. Prevent the contents of kernel memory from being leaked to userspace via speculative execution by using array_index_nospec.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedFeb 26, 2025
First seenFeb 26, 2025
How to fix
Update
- linux linux_kernel4.9.311, 4.14.276, 4.19.238, 5.4.189, 5.10.111, 5.15.34, 5.16.20, 5.17.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 4.9.311, 4.10 ≤ v < 4.14.276, 4.15 ≤ v < 4.19.238, 4.20 ≤ v < 5.4.189, 5.5 ≤ v < 5.10.111, 5.11 ≤ v < 5.15.34, 5.16 ≤ v < 5.16.20, 5.17 ≤ v < 5.17.3 | 4.9.311, 4.14.276, 4.19.238, 5.4.189, 5.10.111, 5.15.34, 5.16.20, 5.17.3 |
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