CVE-2026-90394 power: supply: sc2731_charger: cancel work on remove
A use-after-free vulnerability in the Linux kernel SC2731 charger driver allows local attackers to cause a denial of service or potentially execute code during device removal.
- 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-2026-90394?
CVE-2026-90394 is an use after free vulnerability in Linux, published on 17 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:
power: supply: sc2731_charger: cancel work on remove
The USB notifier and initial charger detection can schedule info->work. The remove path unregisters the notifier, but does not cancel queued or running work before the devm-allocated driver data is released.
Set the platform drvdata used by remove, then cancel the work after unregistering the notifier.
This issue was found by a static analysis tool.
Which versions are affected by CVE-2026-90394?
How do I fix CVE-2026-90394?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-90394 being exploited?
There is no known exploitation of CVE-2026-90394 in the wild and no public exploit code.
Sources
Also known as AZL-102234, BELL-CVE-2026-90394, DEBIAN-CVE-2026-90394, GHSA-4hpj-32j3-v3f3, UBUNTU-CVE-2026-90394.