CVE-2024-42121

drm/amd/display: Check index msg_id before read or write

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.

N/A

CVSS

Severity:

EPSS 0.18%

Affected: Linux Linux

References

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

Frequently Asked Questions

What is the severity of CVE-2024-42121?: CVE-2024-42121 has not yet been assigned a CVSS score.
How to fix CVE-2024-42121?: To fix CVE-2024-42121, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-42121 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-42121 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-42121?: CVE-2024-42121 affects Linux Linux, Linux Linux.

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