{"cve":"CVE-2022-50071","nvd":{"published":"2025-06-18T11:15:35.950","modified":"2026-06-17T05:22:41.990","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: move subflow cleanup in mptcp_destroy_common()\n\nIf the mptcp socket creation fails due to a CGROUP_INET_SOCK_CREATE\neBPF program, the MPTCP protocol ends-up leaking all the subflows:\nthe related cleanup happens in __mptcp_destroy_sock() that is not\ninvoked in such code path.\n\nAddress the issue moving the subflow sockets cleanup in the\nmptcp_destroy_common() helper, which is invoked in every msk cleanup\npath.\n\nAdditionally get rid of the intermediate list_splice_init step, which\nis an unneeded relic from the past.\n\nThe issue is present since before the reported root cause commit, but\nany attempt to backport the fix before that hash will require a complete\nrewrite.","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":[],"references":["https://git.kernel.org/stable/c/6139039c8fc5c9dbcdc3ad389b9a6d0cacb4d693","https://git.kernel.org/stable/c/c0bf3c6aa444a5ef44acc57ef6cfa53fd4fc1c9b"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:03:23.287444849+00:00"},"epss":{"cve":"CVE-2022-50071","score":0.00234,"percentile":0.14403,"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."]}