CVE-2026-90395: power: supply: isp1704_charger: cancel work on remove
In the Linux kernel, the following vulnerability has been resolved:
power: supply: isp1704charger: cancel work on remove
The USB notifier and initial VBUS detection can schedule isp->work. The remove path unregisters the notifier and power supply, but does not wait for queued or running work before tearing down the power supply state.
Cancel the work after unregistering the notifier. Do this before unregistering the power supply.
This issue was found by a static analysis tool.
Affected Software
Event History
Frequently Asked Questions
Which systems are exposed to this issue?
Systems using the Linux kernel isp1704_charger power-supply driver are exposed when that driver can be removed while its USB notifier or initial VBUS detection has scheduled work.
What condition triggers the unsafe teardown?
The issue occurs when queued or running isp->work remains after the remove path unregisters the USB notifier and begins tearing down power-supply state. The unresolved work can access that state after teardown has started.
What is the relevant fix behavior?
The fix cancels the driver's work after unregistering the USB notifier and before unregistering the power supply. This ensures queued or running work has completed or been cancelled before the power-supply state is removed.