CVE-2023-54254 drm/ttm: Don't leak a resource on eviction error
A resource leak in the Linux kernel's TTM memory manager during eviction errors can lead to memory 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-2023-54254?
CVE-2023-54254 is a high-severity denial of service vulnerability in Linux, published on 30 Dec 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/ttm: Don't leak a resource on eviction error
On eviction errors other than -EMULTIHOP we were leaking a resource. Fix.
v2: - Avoid yet another goto (Andi Shyti)
Which versions are affected by CVE-2023-54254?
How do I fix CVE-2023-54254?
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-2023-54254 being exploited?
There is no known exploitation of CVE-2023-54254 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2023-54254, DEBIAN-CVE-2023-54254, GHSA-h8wx-9xh3-9g66, UBUNTU-CVE-2023-54254.