{"id":"CVE-2022-4129","revision":"8acdc9b1a1684fc39c611c8d5ea987bd","records":[{"revision":"8acdc9b1a1684fc39c611c8d5ea987bd","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2022-4129","aliases":[],"title":"A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing sk_user_data can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system …","description":"A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing sk_user_data can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service.","state":0,"publishedAt":"2022-11-28T00:00:00+00:00","modifiedAt":"2026-10-14T13:51:58.346+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux kernel (l2tp)","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"n/a\",\n                    \"product\": \"Linux kernel (l2tp)\",\n                    \"versions\": [\n                        {\n                            \"version\": \"up to v6.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://lore.kernel.org/all/20221114191619.124659-1-jakub%40cloudflare.com/t","https://lore.kernel.org/netdev/20221121085426.21315-1-jakub%40cloudflare.com/t","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AM5KFIE6JNZXHBA5A2KYDZAT3MEX2B67/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7X5SPXMXXFANDASPCKER2JIQO2F3UHCP/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JOKXNIM2R4FQCDRQV67UMAY6EBC72QFG/","https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-4129","license":"CVE Program Terms of Use","key":"cve-program:CVE-2022-4129","identifiers":["CVE-2022-4129"]},"retained":false,"historicalAffected":[]}],"coverage":[]}