What’s Vulnerable › Vulnerabilities

CVE-2024-46813: drm/amd/display: Check link_index before accessing dc->links[]

• Severity: high (CVSS 7.8 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 2026-10-30
• Weakness: CWE-129

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check link_index before accessing dc->links[] [WHY & HOW] dc->links[] has max size of MAX_LINKS and NULL is return when trying to access with out-of-bound index. This fixes 3 OVERRUN and 1 RESOURCE_LEAK issues reported by Coverity.

Affected products

• Linux kernel: before 6.6.87; from 6.7 before 6.10.9 — fixed in 6.6.87, 6.10.9
• Linux: 4.15 — fixed in 6.11

How to fix

Upgrade to a fixed version: Linux kernel 6.6.87, 6.10.9; Linux 6.11. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/032c5407a608ac3b2a98bf4fbda27d12c20c5887
• https://git.kernel.org/stable/c/8aa2864044b9d13e95fe224f32e808afbf79ecdf
• https://git.kernel.org/stable/c/8ad4c2cf6c1af18f556e5c591fb313b2982ddf60
• https://git.kernel.org/stable/c/ac04759b4a002969cf0f1384f1b8bb2001cfa782

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