CVE-2026-97431 drm/amd/display: Avoid DPMS-on for phantom stream
A null pointer dereference in the AMD display driver can cause a system crash when handling phantom streams, requiring a kernel patch.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-97431?
CVE-2026-97431 is a vulnerability in Linux, published on 24 Sep 2026. 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: Avoid DPMS-on for phantom stream
[Why & How] Calling dc_update_planes_and_stream separately for stream and its phantom stream causes a NULL pointer dereference, since the phantom is destroyed on the first call.
Skip the call for phantom streams.
Which versions are affected by CVE-2026-97431?
How do I fix CVE-2026-97431?
Apply the vendor's patch.
Is CVE-2026-97431 being exploited?
There is no known exploitation of CVE-2026-97431 in the wild and no public exploit code.
Sources
Also known as AZL-103712, BELL-CVE-2026-97431, DEBIAN-CVE-2026-97431, GHSA-f7rg-9g9x-q35j, UBUNTU-CVE-2026-97431.