CVE-2025-21697 drm/v3d: Ensure job pointer is set to NULL after job completion
A missing NULL assignment in the Linux kernel's v3d driver can cause a warning or potential crash during driver unload, leading to 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-2025-21697?
CVE-2025-21697 is a high-severity vulnerability in Linux kernel, published on 12 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/v3d: Ensure job pointer is set to NULL after job completion
After a job completes, the corresponding pointer in the device must be set to NULL. Failing to do so triggers a warning when unloading the driver, as it appears the job is still active. To prevent this, assign the job pointer to NULL after completing the job, indicating the job has finished.
Which versions are affected by CVE-2025-21697?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-21697?
Apply the vendor's patch.
Is CVE-2025-21697 being exploited?
There is no known exploitation of CVE-2025-21697 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-56809, AZL-56822, BELL-CVE-2025-21697, DEBIAN-CVE-2025-21697, GHSA-hv64-fpvc-rw9x, UBUNTU-CVE-2025-21697.