Updated: 2026-02-27 02:42:45.846861
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.
| Links | NIST | CIRCL | RHEL | Ubuntu |
| Severity | Score | |
|---|---|---|
| CVSS Version 2.x | 0.0 | |
| CVSS Version 3.x | MEDIUM | 5.5 |
| OS name | Project name | Version | Score | Severity | Status | Errata | Last updated | Statement |
|---|---|---|---|---|---|---|---|---|
| Ubuntu 16.04 ELS | linux-hwe | 4.15.0 | 5.5 | MEDIUM | Released | CLSA-2025:1747431461 | 2025-05-18 07:46:01 | |
| Ubuntu 16.04 ELS | linux | 4.4.0 | 5.5 | MEDIUM | Released | CLSA-2025:1747430034 | 2025-05-18 07:45:49 | |
| Ubuntu 18.04 ELS | linux | 4.15.0 | 5.5 | MEDIUM | Released | CLSA-2025:1747430081 | 2025-05-18 07:45:50 | |
| Ubuntu 20.04 ELS | linux | 5.4.0 | 5.5 | MEDIUM | Ignored | 2025-06-24 00:41:59 | Ignored due to low severity |