{"cve":"CVE-2025-40135","nvd":{"published":"2025-11-12T11:15:43.220","modified":"2026-10-19T21:10:00.160","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: use RCU in ip6_xmit()\n\nUse RCU in ip6_xmit() in order to use dst_dev_rcu() to prevent\npossible 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":[],"references":["https://git.kernel.org/stable/c/9085e56501d93af9f2d7bd16f7fcfacdde47b99c","https://git.kernel.org/stable/c/bd0905e2122e3680968cd0741966983490bf2ed3","https://git.kernel.org/stable/c/f0a54d00d2f36de40266f47c27989853e8588656","https://git.kernel.org/stable/c/f69fec6287565fdeb61f65e700a1184352306943","https://git.kernel.org/stable/c/f7f9e924f23684b4b23cd9f976cceab24a968e34"],"products":[],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2025-40135","score":0.00691,"percentile":0.52547,"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."]}