CVE-2025-68233 drm/tegra: Add call to put_pid()
A missing put_pid() call in the Linux kernel Tegra DRM driver causes a PID reference leak, potentially leading 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-2025-68233?
CVE-2025-68233 is a memory corruption vulnerability in Linux, published on 16 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/tegra: Add call to put_pid()
Add a call to put_pid() corresponding to get_task_pid(). host1x_memory_context_alloc() does not take ownership of the PID so we need to free it here to avoid leaking.
[[email protected]: reword commit message]
Which versions are affected by CVE-2025-68233?
How do I fix CVE-2025-68233?
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-2025-68233 being exploited?
There is no known exploitation of CVE-2025-68233 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2025-68233, DEBIAN-CVE-2025-68233, GHSA-f7jh-2qx8-6pwr, ROOT-OS-UBUNTU-2404-CVE-2025-68233, UBUNTU-CVE-2025-68233.