usb: renesas_usbhs: Flush the notify_hotplug_work
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: usb: renesas_usbhs: Flush the notify_hotplug_work When performing continuous unbind/bind operations on the USB drivers available 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 are unavailable.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-21917
Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/4cd847a7b630a85493d0294ad9542c21aafaa246
- https://git.kernel.org/stable/c/394965f90454d6f00fe11879142b720c6c1a872e
- https://git.kernel.org/stable/c/3248c1f833f924246cb98ce7da4569133c1b2292
- https://git.kernel.org/stable/c/4ca078084cdd5f32d533311d6a0b63a60dcadd41
- https://git.kernel.org/stable/c/d50f5c0cd949593eb9a3d822b34d7b50046a06b7
- https://git.kernel.org/stable/c/e5aac1c9b2974636db7ce796ffa6de88fa08335e
- https://git.kernel.org/stable/c/830818c8e70c0364e377f0c243b28061ef7967eb
- https://git.kernel.org/stable/c/552ca6b87e3778f3dd5b87842f95138162e16c82
More from Linux
View All →Affected Vendor
Linux
View all reports →Affected Software
Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.