{"id":"CVE-2025-21917","summary":"usb: renesas_usbhs: Flush the notify_hotplug_work","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: renesas_usbhs: Flush the notify_hotplug_work\n\nWhen performing continuous unbind/bind operations on the USB drivers\navailable on the Renesas RZ/G2L SoC, a kernel crash with the message\n\"Unable to handle kernel NULL pointer dereference at virtual address\"\nmay occur. This issue points to the usbhsc_notify_hotplug() function.\n\nFlush the delayed work to avoid its execution when driver resources are\nunavailable.","modified":"2026-03-20T12:41:14.299867Z","published":"2025-04-01T15:40:53.042Z","related":["SUSE-SU-2025:01614-1","SUSE-SU-2025:01707-1","SUSE-SU-2025:01919-1","SUSE-SU-2025:01951-1","SUSE-SU-2025:01964-1","SUSE-SU-2025:01967-1","SUSE-SU-2025:20192-1","SUSE-SU-2025:20206-1","SUSE-SU-2025:20270-1","SUSE-SU-2025:20283-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21917.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/3248c1f833f924246cb98ce7da4569133c1b2292"},{"type":"WEB","url":"https://git.kernel.org/stable/c/394965f90454d6f00fe11879142b720c6c1a872e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4ca078084cdd5f32d533311d6a0b63a60dcadd41"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4cd847a7b630a85493d0294ad9542c21aafaa246"},{"type":"WEB","url":"https://git.kernel.org/stable/c/552ca6b87e3778f3dd5b87842f95138162e16c82"},{"type":"WEB","url":"https://git.kernel.org/stable/c/830818c8e70c0364e377f0c243b28061ef7967eb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d50f5c0cd949593eb9a3d822b34d7b50046a06b7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e5aac1c9b2974636db7ce796ffa6de88fa08335e"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21917.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21917"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"bc57381e634782009b1cb2e86b18013699ada576"},{"fixed":"4cd847a7b630a85493d0294ad9542c21aafaa246"},{"fixed":"394965f90454d6f00fe11879142b720c6c1a872e"},{"fixed":"3248c1f833f924246cb98ce7da4569133c1b2292"},{"fixed":"4ca078084cdd5f32d533311d6a0b63a60dcadd41"},{"fixed":"d50f5c0cd949593eb9a3d822b34d7b50046a06b7"},{"fixed":"e5aac1c9b2974636db7ce796ffa6de88fa08335e"},{"fixed":"830818c8e70c0364e377f0c243b28061ef7967eb"},{"fixed":"552ca6b87e3778f3dd5b87842f95138162e16c82"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21917.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}