{"id":"CVE-2022-4269","details":"A flaw was found in the Linux kernel Traffic Control (TC) subsystem. Using a specific networking configuration (redirecting egress packets to ingress using TC action \"mirred\") a local unprivileged user could trigger a CPU soft lockup (ABBA deadlock) when the transport protocol in use (TCP or SCTP) does a retransmission, resulting in a denial of service condition.","modified":"2026-03-13T06:01:11.005932Z","published":"2022-12-05T16:15:10.283Z","related":["ALSA-2023:1469","ALSA-2023:1470","ALSA-2023:1566","ALSA-2023:1584","MGASA-2023-0148","MGASA-2023-0149","SUSE-SU-2023:2500-1","SUSE-SU-2023:2502-1","SUSE-SU-2023:2611-1","SUSE-SU-2023:2646-1","SUSE-SU-2023:2651-1","SUSE-SU-2023:2653-1","SUSE-SU-2023:2782-1","SUSE-SU-2023:2809-1","SUSE-SU-2023:2871-1"],"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html"},{"type":"WEB","url":"https://lore.kernel.org/netdev/33dc43f587ec1388ba456b4915c75f02a8aae226.1663945716.git.dcaratti%40redhat.com/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5480"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20230929-0001/"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-4269.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"4.1-rc1"}]}]}}],"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"}]}