CVE-2024-42121
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.26% probability · 18th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-129
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.