{"cve":"CVE-2025-21917","nvd":{"published":"2025-04-01T16:15:22.350","modified":"2026-06-17T08:44:36.327","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["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"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:00:57.946988208+00:00"},"epss":{"cve":"CVE-2025-21917","score":0.00249,"percentile":0.1627,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}