CVE-2025-37762 drm/virtio: Fix missed dmabuf unpinning in error path of prepare_fb()
A resource leak in the Linux kernel's virtio DRM driver allows attackers to cause a denial of service by triggering error paths.
- 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-2025-37762?
CVE-2025-37762 is a medium-severity denial of service vulnerability in Linux kernel, published on 1 May 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/virtio: Fix missed dmabuf unpinning in error path of prepare_fb()
Correct error handling in prepare_fb() to fix leaking resources when error happens.
Which versions are affected by CVE-2025-37762?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-37762?
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-2025-37762 being exploited?
There is no known exploitation of CVE-2025-37762 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2025-37762, GHSA-43gf-2x57-fwxf, UBUNTU-CVE-2025-37762.