CVE-2024-42121

HIGH

Linux Kernel 4.15-6.9.8 - Out-of-Bounds Write in AMD Display DRM HDCP Handling

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 7.8
EPSS 0.0026
EPSS Percentile 17.1%
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 (20)
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 < 4.15
Linux/Linux 4.15
Linux/Linux 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c - 59d99deb330af206a4541db0c4da8f73880fba03
Linux/Linux 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c - 9933eca6ada0cd612e19522e7a319bcef464c0eb
Linux/Linux 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c - a31ea49dc8064a557565725cf045944307476a6e
... and 10 more
Published Jul 30, 2024
Tracked Since Feb 18, 2026