CVE-2022-49233 drm/amd/display: Call dc_stream_release for remove link enc assignment
A memory leak in the Linux kernel's AMD display driver can lead to resource exhaustion and denial of service.
- 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-2022-49233?
CVE-2022-49233 is a medium-severity denial of service vulnerability in Linux kernel, published on 26 Feb 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: Call dc_stream_release for remove link enc assignment
[Why] A porting error resulted in the stream assignment for the link being retained without being released - a memory leak.
[How] Fix the porting error by adding back the dc_stream_release() intended as part of the original patch.
Weakness: CWE-401
Which versions are affected by CVE-2022-49233?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-49233?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-49233 being exploited?
There is no known exploitation of CVE-2022-49233 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-49233, GHSA-8rxq-4q2f-m8fj, UBUNTU-CVE-2022-49233.