CVE-2024-42120 drm/amd/display: Check pipe offset before setting vblank
A missing bounds check in the AMD display driver allows out-of-bounds array access, potentially leading to system crashes or code execution.
- 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-2024-42120?
CVE-2024-42120 is a high-severity memory corruption vulnerability in Linux kernel, published on 30 Jul 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: Check pipe offset before setting vblank
pipe_ctx has a size of MAX_PIPES so checking its index before accessing the array.
This fixes an OVERRUN issue reported by Coverity.
Weakness: CWE-129
Which versions are affected by CVE-2024-42120?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-42120?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2024-42120 being exploited?
There is no known exploitation of CVE-2024-42120 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-42120, DEBIAN-CVE-2024-42120, GHSA-2cvh-5946-f6w5, UBUNTU-CVE-2024-42120.