In the Linux kernel, the following vulnerability has been resolved: HID: hid-oxp: use cancel_delayed_work_sync() in remove oxp_hid_remove(
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In the Linux kernel, the following vulnerability has been resolved:
HID: hid-oxp: use cancel_delayed_work_sync() in remove
oxp_hid_remove() uses cancel_delayed_work() for all three delayed work
items. cancel_delayed_work() only dequeues a pending work item without
waiting for a currently executing callback to finish. If any of the
work callbacks (oxp_rgb_queue_fn, oxp_btn_queue_fn, oxp_mcu_init_fn) is
running at the time of removal, the callback continues executing
concurrently with hid_hw_close() and hid_hw_stop(), accessing the HID
device after it has been closed and stopped.
Use cancel_delayed_work_sync() instead to ensure that any in-progress
work callback completes before device teardown proceeds.
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