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.
INFO
Published Date :
July 30, 2024, 8:15 a.m.
Last Modified :
Nov. 3, 2025, 10:17 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update the affected kernel packages.
- Reboot the system if required.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2024-42121.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-42121 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2024-42121
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2024-42121 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-42121 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 03, 2025
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html -
Initial Analysis by [email protected]
Sep. 29, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-129 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.163 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.9.9 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.39 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.98 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 5.10.222 Added Reference Type kernel.org: https://git.kernel.org/stable/c/59d99deb330af206a4541db0c4da8f73880fba03 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/9933eca6ada0cd612e19522e7a319bcef464c0eb Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/a31ea49dc8064a557565725cf045944307476a6e Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/ae91ffbc8b8d942e3e7f188728cad557b7ed5ee4 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/b5b8837d066cc182ff69fb5629ad32ade5484567 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/fbb0701af9734cff13917a4b98b5ee9da2fde48d Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/59d99deb330af206a4541db0c4da8f73880fba03 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/fbb0701af9734cff13917a4b98b5ee9da2fde48d Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/b5b8837d066cc182ff69fb5629ad32ade5484567 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/ae91ffbc8b8d942e3e7f188728cad557b7ed5ee4 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/a31ea49dc8064a557565725cf045944307476a6e Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/9933eca6ada0cd612e19522e7a319bcef464c0eb Types: Patch -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/59d99deb330af206a4541db0c4da8f73880fba03 Added Reference https://git.kernel.org/stable/c/9933eca6ada0cd612e19522e7a319bcef464c0eb Added Reference https://git.kernel.org/stable/c/a31ea49dc8064a557565725cf045944307476a6e Added Reference https://git.kernel.org/stable/c/ae91ffbc8b8d942e3e7f188728cad557b7ed5ee4 Added Reference https://git.kernel.org/stable/c/b5b8837d066cc182ff69fb5629ad32ade5484567 Added Reference https://git.kernel.org/stable/c/fbb0701af9734cff13917a4b98b5ee9da2fde48d -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jul. 30, 2024
Action Type Old Value New Value Added 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. Added Reference kernel.org https://git.kernel.org/stable/c/b5b8837d066cc182ff69fb5629ad32ade5484567 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/fbb0701af9734cff13917a4b98b5ee9da2fde48d [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/ae91ffbc8b8d942e3e7f188728cad557b7ed5ee4 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/9933eca6ada0cd612e19522e7a319bcef464c0eb [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/a31ea49dc8064a557565725cf045944307476a6e [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/59d99deb330af206a4541db0c4da8f73880fba03 [No types assigned]