CVE-2022-49122

MEDIUM

Linux Kernel - Spectre v1 Gadget via dm ioctl cmd Array Index

Title source: llm
STIX 2.1

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.

References (9)

Core 9

Scores

CVSS v3 5.5
EPSS 0.0031
EPSS Percentile 23.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (29)
linux/Kernel 2.6.12 - 4.9.311linux
linux/Kernel 4.10.0 - 4.14.276linux
linux/Kernel 4.15.0 - 4.19.238linux
linux/Kernel 4.20.0 - 5.4.189linux
linux/Kernel 5.11.0 - 5.15.34linux
linux/Kernel 5.16.0 - 5.16.20linux
linux/Kernel 5.17.0 - 5.17.3linux
linux/Kernel 5.5.0 - 5.10.111linux
Linux/Linux < 2.6.12
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 02cc46f397eb3691c56affbd5073e54f7a82ac32
... and 19 more
Published Feb 26, 2025
Tracked Since Feb 18, 2026