CVE-2024-42121

HIGH

Linux Kernel < 5.10.222 - Improper Array Index Validation

Title source: rule

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check index msg_id before read or write [WHAT] msg_id is used as an array index and it cannot be a negative value, and therefore cannot be equal to MOD_HDCP_MESSAGE_ID_INVALID (-1). [HOW] Check whether msg_id is valid before reading and setting. This fixes 4 OVERRUN issues reported by Coverity.

References (7)

[Mailing List] https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

[Patch] https://git.kernel.org/stable/c/59d99deb330af206a4541db0c4da8f73880fba03

[Patch] https://git.kernel.org/stable/c/9933eca6ada0cd612e19522e7a319bcef464c0eb

[Patch] https://git.kernel.org/stable/c/a31ea49dc8064a557565725cf045944307476a6e

[Patch] https://git.kernel.org/stable/c/ae91ffbc8b8d942e3e7f188728cad557b7ed5ee4

[Patch] https://git.kernel.org/stable/c/b5b8837d066cc182ff69fb5629ad32ade5484567

[Patch] https://git.kernel.org/stable/c/fbb0701af9734cff13917a4b98b5ee9da2fde48d

Scores

CVSS v3 7.8

EPSS 0.0001

EPSS Percentile 3.0%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-129

Status published

Products (6)

linux/Kernel 4.15.0 - 5.10.222linux

linux/Kernel 5.11.0 - 5.15.163linux

linux/Kernel 5.16.0 - 6.1.98linux

linux/Kernel 6.2.0 - 6.6.39linux

linux/Kernel 6.7.0 - 6.9.9linux

linux/linux_kernel 4.15 - 5.10.222

Published Jul 30, 2024

Tracked Since Feb 18, 2026