CVE-2025-39708 media: iris: Fix NULL pointer dereference
A NULL pointer dereference in the Linux kernel's iris media driver can cause a system crash, requiring a kernel patch to fix.
- 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-2025-39708?
CVE-2025-39708 is a medium-severity vulnerability in Linux kernel, published on 5 Sep 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:
media: iris: Fix NULL pointer dereference
A warning reported by smatch indicated a possible null pointer dereference where one of the arguments to API "iris_hfi_gen2_handle_system_error" could sometimes be null.
To fix this, add a check to validate that the argument passed is not null before accessing its members.
Weakness: CWE-476
Which versions are affected by CVE-2025-39708?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-39708?
Apply the vendor's patch.
Is CVE-2025-39708 being exploited?
There is no known exploitation of CVE-2025-39708 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2025-39708, DEBIAN-CVE-2025-39708, GHSA-9qxw-372m-v533, UBUNTU-CVE-2025-39708.