CVE-2024-42227 drm/amd/display: Fix overlapping copy within dml_core_mode_programming
A memory corruption vulnerability in the Linux kernel's AMD display driver allows for potential denial of service due to overlapping memory copies.
- 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-2024-42227?
CVE-2024-42227 is a medium-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: Fix overlapping copy within dml_core_mode_programming
[WHY] &mode_lib->mp.Watermark and &locals->Watermark are the same address. memcpy may lead to unexpected behavior.
[HOW] memmove should be used.
Which versions are affected by CVE-2024-42227?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-42227?
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-2024-42227 being exploited?
There is no known exploitation of CVE-2024-42227 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-47079, AZL-47183, BELL-CVE-2024-42227, DEBIAN-CVE-2024-42227, GHSA-6764-gfvg-wvf4, UBUNTU-CVE-2024-42227.