CVEvulnerability

CVE-2022-49122

5.5 MEDIUM Published 2025-02-26 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2025-02-26
Last modified
2026-06-17
Assigner
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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.

Affected configurations

• linux linux kernel (< 4.9.311) • linux linux kernel (>= 4.10 < 4.14.276) • linux linux kernel (>= 4.15 < 4.19.238) • linux linux kernel (>= 4.20 < 5.4.189) • linux linux kernel (>= 5.5 < 5.10.111) • linux linux kernel (>= 5.11 < 5.15.34) • linux linux kernel (>= 5.16 < 5.16.20) • linux linux kernel (>= 5.17 < 5.17.3)

References