CVE-2024-46816: drm/amd/display: Stop amdgpu_dm initialize when link nums greater than max_links

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-09-27 · updated 2026-08-04

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Stop amdgpu_dm initialize when link nums greater than max_links [Why] Coverity report OVERRUN warning. There are only max_links elements within dc->links. link count could up to AMDGPU_DM_MAX_DISPLAY_INDEX 31. [How] Make sure link count less than max_links.

Affected products

Linux kernel: from 6.10 before 6.10.9 — fixed in 6.10.9

How to fix

Upgrade to a fixed version: Linux kernel 6.10.9. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/13080d052c995aee14695a5b740c245121eb2bcc
https://git.kernel.org/stable/c/36c39a8dcce210649f2f45f252abaa09fcc1ae87
https://git.kernel.org/stable/c/c84632096722fd31251f0957fafc9e90d9a247fd
https://git.kernel.org/stable/c/cf8b16857db702ceb8d52f9219a4613363e2b1cf
https://git.kernel.org/stable/c/e2411b6abf6e5d6c33d0450846673cdf536f0ba4
https://git.kernel.org/stable/c/e3cd0d8362de47f613bfdf315b3f3a9ab71e66bf
https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html

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