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.
Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-4178-1 | linux security update |
Debian DLA |
DLA-4193-1 | linux-6.1 security update |
Debian DSA |
DSA-5900-1 | linux security update |
EUVD |
EUVD-2025-9404 | 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. |
Ubuntu USN |
USN-7510-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7510-2 | Linux kernel (FIPS) vulnerabilities |
Ubuntu USN |
USN-7510-3 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7510-4 | Linux kernel (Real-time) vulnerabilities |
Ubuntu USN |
USN-7510-5 | Linux kernel (Azure FIPS) vulnerabilities |
Ubuntu USN |
USN-7510-6 | Linux kernel (AWS FIPS) vulnerabilities |
Ubuntu USN |
USN-7510-7 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7510-8 | Linux kernel (AWS) vulnerabilities |
Ubuntu USN |
USN-7511-1 | Linux kernel (GCP) vulnerabilities |
Ubuntu USN |
USN-7511-2 | Linux kernel (GCP FIPS) vulnerabilities |
Ubuntu USN |
USN-7511-3 | Linux kernel (GKE) vulnerabilities |
Ubuntu USN |
USN-7512-1 | Linux kernel (GCP) vulnerabilities |
Ubuntu USN |
USN-7516-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7516-2 | Linux kernel (GCP FIPS) vulnerabilities |
Ubuntu USN |
USN-7516-3 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7516-4 | Linux kernel (Oracle) vulnerabilities |
Ubuntu USN |
USN-7516-5 | Linux kernel (HWE) vulnerabilities |
Ubuntu USN |
USN-7516-6 | Linux kernel (IBM) vulnerabilities |
Ubuntu USN |
USN-7516-7 | Linux kernel (AWS) vulnerabilities |
Ubuntu USN |
USN-7516-8 | Linux kernel (FIPS) vulnerabilities |
Ubuntu USN |
USN-7516-9 | Linux kernel (AWS) vulnerabilities |
Ubuntu USN |
USN-7517-1 | Linux kernel (Xilinx ZynqMP) vulnerabilities |
Ubuntu USN |
USN-7517-2 | Linux kernel (IBM) vulnerabilities |
Ubuntu USN |
USN-7517-3 | Linux kernel (BlueField) vulnerabilities |
Ubuntu USN |
USN-7518-1 | Linux kernel (Azure FIPS) vulnerabilities |
Ubuntu USN |
USN-7539-1 | Linux kernel (Raspberry Pi) vulnerabilities |
Ubuntu USN |
USN-7540-1 | Linux kernel (Raspberry Pi) vulnerabilities |
Ubuntu USN |
USN-7593-1 | Linux kernel (HWE) vulnerabilities |
Ubuntu USN |
USN-7602-1 | Linux kernel (Xilinx ZynqMP) vulnerabilities |
Ubuntu USN |
USN-7605-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7605-2 | Linux kernel (Low Latency) vulnerabilities |
Ubuntu USN |
USN-7606-1 | Linux kernel (OEM) vulnerabilities |
Ubuntu USN |
USN-7628-1 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-7640-1 | Linux kernel (IoT) vulnerabilities |
Ubuntu USN |
USN-7764-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7764-2 | Linux kernel (HWE) vulnerabilities |
Ubuntu USN |
USN-7765-1 | Linux kernel (NVIDIA) vulnerabilities |
Ubuntu USN |
USN-7766-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7767-1 | Linux kernel (Real-time) vulnerabilities |
Ubuntu USN |
USN-7767-2 | Linux kernel (Real-time) vulnerabilities |
Ubuntu USN |
USN-7779-1 | Linux kernel (IBM) vulnerabilities |
Ubuntu USN |
USN-7790-1 | Linux kernel (Raspberry Pi) vulnerabilities |
Ubuntu USN |
USN-7800-1 | Linux kernel (Raspberry Pi Real-time) vulnerabilities |
Ubuntu USN |
USN-7801-1 | Linux kernel (HWE) vulnerabilities |
Ubuntu USN |
USN-7802-1 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-7801-2 | Linux kernel (Oracle) vulnerabilities |
Ubuntu USN |
USN-7809-1 | Linux kernel (Azure, N-Series) vulnerabilities |
Ubuntu USN |
USN-7801-3 | Linux kernel (Oracle) vulnerabilities |
Mon, 03 Nov 2025 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
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Wed, 01 Oct 2025 20:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Mon, 21 Apr 2025 02:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
threat_severity
|
threat_severity
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Fri, 11 Apr 2025 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Linux
Linux linux Kernel |
|
| Weaknesses | CWE-476 | |
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.14:rc3:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.14:rc4:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.14:rc5:*:*:*:*:*:* |
|
| Vendors & Products |
Linux
Linux linux Kernel |
Wed, 02 Apr 2025 14:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
| |
| Metrics |
threat_severity
|
cvssV3_1
|
Tue, 01 Apr 2025 16:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | usb: renesas_usbhs: Flush the notify_hotplug_work | |
| References |
|
|
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-05-11T21:09:01.951Z
Reserved: 2024-12-29T08:45:45.787Z
Link: CVE-2025-21917
Updated: 2025-11-03T19:39:08.336Z
Status : Modified
Published: 2025-04-01T16:15:22.350
Modified: 2025-11-03T20:17:27.583
Link: CVE-2025-21917
OpenCVE Enrichment
No data.
Debian DLA
Debian DSA
EUVD
Ubuntu USN