CVE-2025-21917

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.

Reserved 2024-12-29 | Published 2025-04-01 | Updated 2025-05-04 | Assigner Linux

Product status

Default status
unaffected

bc57381e634782009b1cb2e86b18013699ada576 before 4cd847a7b630a85493d0294ad9542c21aafaa246
affected

bc57381e634782009b1cb2e86b18013699ada576 before 394965f90454d6f00fe11879142b720c6c1a872e
affected

bc57381e634782009b1cb2e86b18013699ada576 before 3248c1f833f924246cb98ce7da4569133c1b2292
affected

bc57381e634782009b1cb2e86b18013699ada576 before 4ca078084cdd5f32d533311d6a0b63a60dcadd41
affected

bc57381e634782009b1cb2e86b18013699ada576 before d50f5c0cd949593eb9a3d822b34d7b50046a06b7
affected

bc57381e634782009b1cb2e86b18013699ada576 before e5aac1c9b2974636db7ce796ffa6de88fa08335e
affected

bc57381e634782009b1cb2e86b18013699ada576 before 830818c8e70c0364e377f0c243b28061ef7967eb
affected

bc57381e634782009b1cb2e86b18013699ada576 before 552ca6b87e3778f3dd5b87842f95138162e16c82
affected

Default status
affected

3.0
affected

Any version before 3.0
unaffected

5.4.291
unaffected

5.10.235
unaffected

5.15.179
unaffected

6.1.131
unaffected

6.6.83
unaffected

6.12.19
unaffected

6.13.7
unaffected

6.14
unaffected

References

git.kernel.org/...c/4cd847a7b630a85493d0294ad9542c21aafaa246

git.kernel.org/...c/394965f90454d6f00fe11879142b720c6c1a872e

git.kernel.org/...c/3248c1f833f924246cb98ce7da4569133c1b2292

git.kernel.org/...c/4ca078084cdd5f32d533311d6a0b63a60dcadd41

git.kernel.org/...c/d50f5c0cd949593eb9a3d822b34d7b50046a06b7

git.kernel.org/...c/e5aac1c9b2974636db7ce796ffa6de88fa08335e

git.kernel.org/...c/830818c8e70c0364e377f0c243b28061ef7967eb

git.kernel.org/...c/552ca6b87e3778f3dd5b87842f95138162e16c82

cve.org (CVE-2025-21917)

nvd.nist.gov (CVE-2025-21917)

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