{"cve":"CVE-2025-21761","nvd":{"published":"2025-02-27T03:15:16.757","modified":"2026-10-15T02:17:33.177","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nopenvswitch: use RCU protection in ovs_vport_cmd_fill_info()\n\novs_vport_cmd_fill_info() can be called without RTNL or RCU.\n\nUse RCU protection and dev_net_rcu() to avoid potential UAF.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-416"],"references":["https://git.kernel.org/stable/c/5828937742af74666192835d657095d95c53dbd0","https://git.kernel.org/stable/c/7e01abc34e87abd091e619161a20f54ed4e3e2da","https://git.kernel.org/stable/c/8ec57509c36c8b9a23e50b7858dda0c520a2d074","https://git.kernel.org/stable/c/90b2f49a502fa71090d9f4fe29a2f51fe5dff76d","https://git.kernel.org/stable/c/a849a10de5e04d798f7f286a2f1ca174719a617a"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2025-21761","score":0.00261,"percentile":0.17651,"date":"2026-10-25"},"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."]}