CVE-2025-21917

MEDIUM

Linux Kernel - NULL Pointer Dereference in renesas_usbhs

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 5.5
EPSS 0.0021
EPSS Percentile 11.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (27)
linux/Kernel 3.0.0 - 5.4.291linux
linux/Kernel 5.11.0 - 5.15.179linux
linux/Kernel 5.16.0 - 6.1.131linux
linux/Kernel 5.5.0 - 5.10.235linux
linux/Kernel 6.13.0 - 6.13.7linux
linux/Kernel 6.2.0 - 6.6.83linux
linux/Kernel 6.7.0 - 6.12.19linux
Linux/Linux < 3.0
Linux/Linux 3.0
Linux/Linux 5.10.235 - 5.10.*
... and 17 more
Published Apr 01, 2025
Tracked Since Feb 18, 2026