CVE-2025-21917
usb: renesas_usbhs: Flush the notify_hotplug_work
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
3.0
References 8
git.kernel.org
- stable/c/4cd847a7b630a85493d0294ad9542c21aafaa246
- stable/c/394965f90454d6f00fe11879142b720c6c1a872e
- stable/c/3248c1f833f924246cb98ce7da4569133c1b2292
- stable/c/4ca078084cdd5f32d533311d6a0b63a60dcadd41
- stable/c/d50f5c0cd949593eb9a3d822b34d7b50046a06b7
- stable/c/e5aac1c9b2974636db7ce796ffa6de88fa08335e
- stable/c/830818c8e70c0364e377f0c243b28061ef7967eb
- stable/c/552ca6b87e3778f3dd5b87842f95138162e16c82