Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.15, < 5.10.222 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/59d99deb330af206a4541db0c4da8f73880fba03Patch
- https://git.kernel.org/stable/c/9933eca6ada0cd612e19522e7a319bcef464c0ebPatch
- https://git.kernel.org/stable/c/a31ea49dc8064a557565725cf045944307476a6ePatch
- https://git.kernel.org/stable/c/ae91ffbc8b8d942e3e7f188728cad557b7ed5ee4Patch
- https://git.kernel.org/stable/c/b5b8837d066cc182ff69fb5629ad32ade5484567Patch
- https://git.kernel.org/stable/c/fbb0701af9734cff13917a4b98b5ee9da2fde48dPatch
- https://git.kernel.org/stable/c/59d99deb330af206a4541db0c4da8f73880fba03Patch
- https://git.kernel.org/stable/c/9933eca6ada0cd612e19522e7a319bcef464c0ebPatch
- https://git.kernel.org/stable/c/a31ea49dc8064a557565725cf045944307476a6ePatch
- https://git.kernel.org/stable/c/ae91ffbc8b8d942e3e7f188728cad557b7ed5ee4Patch
- https://git.kernel.org/stable/c/b5b8837d066cc182ff69fb5629ad32ade5484567Patch
- https://git.kernel.org/stable/c/fbb0701af9734cff13917a4b98b5ee9da2fde48dPatch
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
FAQ
What is CVE-2024-42121?
CVE-2024-42121 is a vulnerability with a CVSS score of 7.8 (HIGH). 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...
How severe is CVE-2024-42121?
CVE-2024-42121 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-42121?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.