CVE-2026-89824 drm/panel-edp: fix i2c adapter leak on probe failure
A resource leak in the Linux kernel eDP panel driver allows local attackers to cause denial of service by triggering probe failures.
- 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-2026-89824?
CVE-2026-89824 is a denial of service vulnerability in Linux, published on 16 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/panel-edp: fix i2c adapter leak on probe failure
Make sure to drop the i2c adapter reference on probe failure (e.g. probe deferral) and on driver unbind also if a devicetree redundantly uses the 'ddc-i2c-bus' property to point to the aux ddc bus.
Which versions are affected by CVE-2026-89824?
How do I fix CVE-2026-89824?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-89824 being exploited?
There is no known exploitation of CVE-2026-89824 in the wild and no public exploit code.
Sources
Also known as AZL-101501, BELL-CVE-2026-89824, DEBIAN-CVE-2026-89824, GHSA-jwq8-mrhj-j79g, UBUNTU-CVE-2026-89824.