{"schema_version":"1.9.0","id":"CVE-2022-4128","published":"2022-11-28T00:00:00Z","modified":"2026-08-12T03:51:34.315751143Z","related":["ALSA-2023:2148","ALSA-2023:2458"],"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.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/torvalds/linux","events":[{"introduced":"3d7cb6b04c3f3115719235cc6866b10326de34cd"},{"last_affected":"3d7cb6b04c3f3115719235cc6866b10326de34cd"}],"database_specific":{"extracted_events":[{"introduced":"Fixed in 5.19"},{"last_affected":"Fixed in 5.19"}],"source":"AFFECTED_FIELD"}}],"versions":["Fixed in 5.19","v5.19"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-4128.json"}}],"references":[{"type":"WEB","url":"https://lore.kernel.org/netdev/20220708233610.410786-2-mathew.j.martineau%40linux.intel.com/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/4xxx/CVE-2022-4128.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-4128"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/5c835bb142d4"}],"database_specific":{"cna_assigner":"redhat","cwe_ids":["CWE-476"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/4xxx/CVE-2022-4128.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}