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CVE-2025-21838

Description

In the Linux kernel, the following vulnerability has been resolved:usb: gadget: core: flush gadget workqueue after device removaldevice_del() can lead to new work being scheduled in gadget->workworkqueue. This is observed, for example, with the dwc3 driver with thefollowing call stack: device_del() gadget_unbind_driver() usb_gadget_disconnect_locked() dwc3_gadget_pullup() dwc3_gadget_soft_disconnect() usb_gadget_set_state() schedule_work(&gadget->work)Move flush_work() after device_del() to ensure the workqueue is cleanedup.

POC

Reference

No PoCs from references.

Github

- https://github.com/fkie-cad/nvd-json-data-feeds

- https://github.com/w4zu/Debian_security