What’s Vulnerable › Vulnerabilities

CVE-2024-46804: drm/amd/display: Add array index check for hdcp ddc access

• 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: 2024-09-27 · updated 2026-06-17
• Weakness: CWE-129

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add array index check for hdcp ddc access [Why] Coverity reports OVERRUN warning. Do not check if array index valid. [How] Check msg_id valid and valid array index.

Affected products

• Linux kernel: before 5.10.226; from 5.11 before 5.15.167; from 5.16 before 6.1.109; from 6.2 before 6.6.50; from 6.7 before 6.10.9 — fixed in 5.10.226, 5.15.167, 6.1.109, 6.10.9, 6.6.50

How to fix

Upgrade to a fixed version: Linux kernel 5.10.226, 5.15.167, 6.1.109, 6.10.9. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0ee4387c5a4b57ec733c3fb4365188d5979cd9c7
• https://git.kernel.org/stable/c/2a63c90c7a90ab2bd23deebc2814fc5b52abf6d2
• https://git.kernel.org/stable/c/4e70c0f5251c25885c31ee84a31f99a01f7cf50e
• https://git.kernel.org/stable/c/8b5ccf3d011969417be653b5a145c72dbd30472c
• https://git.kernel.org/stable/c/a3b5ee22a9d3a30045191da5678ca8451ebaea30
• https://git.kernel.org/stable/c/f338f99f6a04d03c802087d82a83561cbd5bdc99
• https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html
• https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

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