{"id":"CVE-2022-4128","details":"A NULL pointer dereference issue was discovered in the Linux kernel in the MPTCP protocol when traversing the subflow list at disconnect time. A local user could use this flaw to potentially crash the system causing a denial of service.","modified":"2026-03-14T11:54:03.586353Z","published":"2022-11-28T22:15:11.117Z","related":["ALSA-2023:2148","ALSA-2023:2458"],"references":[{"type":"FIX","url":"https://github.com/torvalds/linux/commit/5c835bb142d4"},{"type":"FIX","url":"https://lore.kernel.org/netdev/20220708233610.410786-2-mathew.j.martineau%40linux.intel.com/"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"5.17"},{"last_affected":"5.18"}]},{"events":[{"introduced":"0"},{"last_affected":"5.19-rc1"}]},{"events":[{"introduced":"0"},{"last_affected":"5.19-rc2"}]},{"events":[{"introduced":"0"},{"last_affected":"5.19-rc3"}]},{"events":[{"introduced":"0"},{"last_affected":"5.19-rc4"}]},{"events":[{"introduced":"0"},{"last_affected":"5.19-rc5"}]},{"events":[{"introduced":"0"},{"last_affected":"5.19-rc6"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-4128.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}