CVE-2024-42121

medium

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

https://git.kernel.org/stable/c/fbb0701af9734cff13917a4b98b5ee9da2fde48d

https://git.kernel.org/stable/c/b5b8837d066cc182ff69fb5629ad32ade5484567

https://git.kernel.org/stable/c/ae91ffbc8b8d942e3e7f188728cad557b7ed5ee4

https://git.kernel.org/stable/c/a31ea49dc8064a557565725cf045944307476a6e

https://git.kernel.org/stable/c/9933eca6ada0cd612e19522e7a319bcef464c0eb

https://git.kernel.org/stable/c/59d99deb330af206a4541db0c4da8f73880fba03

Details

Source: Mitre, NVD

Published: 2024-07-30

Updated: 2024-07-30

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium