What’s Vulnerable › Vulnerabilities

CVE-2024-46871: drm/amd/display: Correct the defined value for AMDGPU_DMUB_NOTIFICATION_MAX

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-09 · updated 2026-06-17
• Weakness: CWE-129

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Correct the defined value for AMDGPU_DMUB_NOTIFICATION_MAX [Why & How] It actually exposes '6' types in enum dmub_notification_type. Not 5. Using smaller number to create array dmub_callback & dmub_thread_offload has potential to access item out of array bound. Fix it.

Affected products

• Debian Linux: 11.0
• Linux kernel: from 4.15 before 5.15.174; from 5.16 before 6.1.109; from 6.2 before 6.6.50; from 6.7 before 6.10.9 — fixed in 5.15.174, 6.1.109, 6.10.9, 6.6.50

How to fix

Upgrade to a fixed version: Linux kernel 5.15.174, 6.1.109, 6.10.9, 6.6.50. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/800a5ab673c4a61ca220cce177386723d91bdb37
• https://git.kernel.org/stable/c/9f404b0bc2df3880758fb3c3bc7496f596f347d7
• https://git.kernel.org/stable/c/ad28d7c3d989fc5689581664653879d664da76f0
• https://git.kernel.org/stable/c/c592b6355b9b57b8e59fc5978ce1e14f64488a98
• https://git.kernel.org/stable/c/e1896f381d27466c26cb44b4450eae05cd59dfd0
• https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

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