CVE-2025-21917

MEDIUM EPSS 11.4%
Published Apr 1, 20251y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Apr 1, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
11.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 12

VendorProductVersionRange
linuxlinux_kernel*≥3.0  –  <5.4.291
linuxlinux_kernel*≥5.5  –  <5.10.235
linuxlinux_kernel*≥5.11  –  <5.15.179
linuxlinux_kernel*≥5.16  –  <6.1.131
linuxlinux_kernel*≥6.2  –  <6.6.83
linuxlinux_kernel*≥6.7  –  <6.12.19
linuxlinux_kernel*≥6.13  –  <6.13.7
linuxlinux_kernel6.14any
linuxlinux_kernel6.14any
linuxlinux_kernel6.14any
linuxlinux_kernel6.14any
linuxlinux_kernel6.14any

References 10

  • git.kernel.org https://git.kernel.org/stable/c/3248c1f833f924246cb98ce7da4569133c1b2292
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/394965f90454d6f00fe11879142b720c6c1a872e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4ca078084cdd5f32d533311d6a0b63a60dcadd41
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4cd847a7b630a85493d0294ad9542c21aafaa246
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/552ca6b87e3778f3dd5b87842f95138162e16c82
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/830818c8e70c0364e377f0c243b28061ef7967eb
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d50f5c0cd949593eb9a3d822b34d7b50046a06b7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e5aac1c9b2974636db7ce796ffa6de88fa08335e
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html

Remediation

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