CVE-2025-38098 drm/amd/display: Don't treat wb connector as physical in create_validate_stream_for_sink
A local attacker can cause a system crash by triggering a null pointer dereference in the AMD display driver when handling writeback connectors.
- 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-2025-38098?
CVE-2025-38098 is a high-severity vulnerability in Linux kernel, published on 3 Jul 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/amd/display: Don't treat wb connector as physical in create_validate_stream_for_sink
Don't try to operate on a drm_wb_connector as an amdgpu_dm_connector. While dereferencing aconnector->base will "work" it's wrong and might lead to unknown bad things. Just... don't.
Which versions are affected by CVE-2025-38098?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-38098?
Apply the vendor's patch.
Is CVE-2025-38098 being exploited?
There is no known exploitation of CVE-2025-38098 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2025-38098, DEBIAN-CVE-2025-38098, GHSA-4f73-499v-x32x, ROOT-OS-DEBIAN-11-CVE-2025-38098, ROOT-OS-DEBIAN-12-CVE-2025-38098, ROOT-OS-UBUNTU-2204-CVE-2025-38098 and 2 more.