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CVE-2025-21917

Description

In the Linux kernel, the following vulnerability has been resolved:usb: renesas_usbhs: Flush the notify_hotplug_workWhen performing continuous unbind/bind operations on the USB driversavailable on the Renesas RZ/G2L SoC, a kernel crash with the message"Unable to handle kernel NULL pointer dereference at virtual address"may occur. This issue points to the usbhsc_notify_hotplug() function.Flush the delayed work to avoid its execution when driver resources areunavailable.

POC

Reference

No PoCs from references.

Github

- https://github.com/ARPSyndicate/cve-scores

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