Executive Summary

Informations
Name CVE-2025-21917 First vendor Publication 2025-04-01
Vendor Cve Last vendor Modification 2025-04-11

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 5.5
Base Score 5.5 Environmental Score 5.5
impact SubScore 3.6 Temporal Score 5.5
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21917

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-476 NULL Pointer Dereference

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 8
Os 3716

Sources (Detail)

https://git.kernel.org/stable/c/3248c1f833f924246cb98ce7da4569133c1b2292
https://git.kernel.org/stable/c/394965f90454d6f00fe11879142b720c6c1a872e
https://git.kernel.org/stable/c/4ca078084cdd5f32d533311d6a0b63a60dcadd41
https://git.kernel.org/stable/c/4cd847a7b630a85493d0294ad9542c21aafaa246
https://git.kernel.org/stable/c/552ca6b87e3778f3dd5b87842f95138162e16c82
https://git.kernel.org/stable/c/830818c8e70c0364e377f0c243b28061ef7967eb
https://git.kernel.org/stable/c/d50f5c0cd949593eb9a3d822b34d7b50046a06b7
https://git.kernel.org/stable/c/e5aac1c9b2974636db7ce796ffa6de88fa08335e
Source Url

Alert History

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Date Informations
2025-06-26 02:41:08
  • Multiple Updates
2025-06-25 12:38:13
  • Multiple Updates
2025-06-24 02:45:35
  • Multiple Updates
2025-05-27 02:53:02
  • First insertion