CVE-2022-50079 drm/amd/display: Check correct bounds for stream encoder instances for DCN303
A missing bounds check in the AMD display driver allows out-of-bounds memory access, potentially causing crashes or information leaks.
- 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-2022-50079?
CVE-2022-50079 is a high-severity memory corruption vulnerability in Linux kernel, published on 18 Jun 2025. 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 correct bounds for stream encoder instances for DCN303
[Why & How] eng_id for DCN303 cannot be more than 1, since we have only two instances of stream encoders.
Check the correct boundary condition for engine ID for DCN303 prevent the potential out of bounds access.
Weakness: CWE-125
Which versions are affected by CVE-2022-50079?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-50079?
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-2022-50079 being exploited?
There is no known exploitation of CVE-2022-50079 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-50079, GHSA-hj5q-64v2-vcw6, UBUNTU-CVE-2022-50079.