CVE-2024-42121

Published: July 31, 2024Last modified: July 31, 2024

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.

Status

References

• https://git.kernel.org/stable/c/59d99deb330af206a4541db0c4da8f73880fba03
• https://git.kernel.org/stable/c/9933eca6ada0cd612e19522e7a319bcef464c0eb
• https://git.kernel.org/stable/c/a31ea49dc8064a557565725cf045944307476a6e
• https://git.kernel.org/stable/c/ae91ffbc8b8d942e3e7f188728cad557b7ed5ee4
• https://git.kernel.org/stable/c/b5b8837d066cc182ff69fb5629ad32ade5484567
• https://git.kernel.org/stable/c/fbb0701af9734cff13917a4b98b5ee9da2fde48d