{"cve":"CVE-2025-21760","nvd":{"published":"2025-02-27T03:15:16.653","modified":"2026-10-15T02:17:32.910","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nndisc: extend RCU protection in ndisc_send_skb()\n\nndisc_send_skb() can be called without RTNL or RCU held.\n\nAcquire rcu_read_lock() earlier, so that we can use dev_net_rcu()\nand avoid a potential UAF.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.1},"cwes":["CWE-416"],"references":["https://git.kernel.org/stable/c/04e05112f10354ffc3bb6cc796d553bab161594c","https://git.kernel.org/stable/c/10a1f3fece2f0d23a3a618b72b2b4e6f408ef7d1","https://git.kernel.org/stable/c/4d576202b90b1b95a7c428a80b536f91b8201bcc","https://git.kernel.org/stable/c/789230e5a8c1097301afc802e242c79bc8835c67","https://git.kernel.org/stable/c/a9319d800b5701e7f5e3fa71a5b7c4831fc20d6d"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2025-21760","score":0.37997,"percentile":0.98543,"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."]}