cve/2025/CVE-2025-21917.md

### [CVE-2025-21917](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21917)
![](https://img.shields.io/static/v1?label=Product&message=Linux&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=3.0%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=bc57381e634782009b1cb2e86b18013699ada576%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=blue)

### 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