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

High 7.8 Published Updated

Missing array index validation in the AMD display driver's HDCP DDC access can lead to an out-of-bounds read or write, potentially causing a system crash.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2024-46804?

CVE-2024-46804 is a high-severity vulnerability in Linux kernel, published on 27 Sep 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-129

Which versions are affected by CVE-2024-46804?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-46804?

Apply the vendor's patch.

Is CVE-2024-46804 being exploited?

There is no known exploitation of CVE-2024-46804 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2024-46804, DEBIAN-CVE-2024-46804, GHSA-299h-pwf4-4w8j, UBUNTU-CVE-2024-46804.

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