{"cve":"CVE-2026-23169","nvd":{"published":"2026-02-14T16:15:57.147","modified":"2026-06-17T10:21:01.750","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: fix race in mptcp_pm_nl_flush_addrs_doit()\n\nsyzbot and Eulgyu Kim reported crashes in mptcp_pm_nl_get_local_id()\nand/or mptcp_pm_nl_is_backup()\n\nRoot cause is list_splice_init() in mptcp_pm_nl_flush_addrs_doit()\nwhich is not RCU ready.\n\nlist_splice_init_rcu() can not be called here while holding pernet->lock\nspinlock.\n\nMany thanks to Eulgyu Kim for providing a repro and testing our patches.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","score":4.7},"cwes":["CWE-362"],"references":["https://git.kernel.org/stable/c/1f1b9523527df02685dde603f20ff6e603d8e4a1","https://git.kernel.org/stable/c/338d40bab283da2639780ee3e458fb61f1567d8c","https://git.kernel.org/stable/c/455e882192c9833f176f3fbbbb2f036b6c5bf555","https://git.kernel.org/stable/c/51223bdd0f60b06cfc7f25885c4d4be917adba94","https://git.kernel.org/stable/c/7896dbe990d56d5bb8097863b2645355633665eb"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:23:35.260773158+00:00"},"epss":{"cve":"CVE-2026-23169","score":0.00144,"percentile":0.03691,"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."]}