{"id":"CVE-2023-23455","details":"atm_tc_enqueue in net/sched/sch_atm.c in the Linux kernel through 6.1.4 allows attackers to cause a denial of service because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results).","modified":"2026-03-15T22:44:27.646642Z","published":"2023-01-12T07:15:09.953Z","related":["ALSA-2023:7077","MGASA-2023-0007","MGASA-2023-0008","SUSE-SU-2023:0152-1","SUSE-SU-2023:0406-1","SUSE-SU-2023:0420-1","SUSE-SU-2023:0433-1","SUSE-SU-2023:0488-1","SUSE-SU-2023:0591-1","SUSE-SU-2023:0774-1","SUSE-SU-2023:1608-1","SUSE-SU-2023:1801-1","SUSE-SU-2023:1803-1","SUSE-SU-2023:1848-1","SUSE-SU-2023:1894-1","SUSE-SU-2023:2232-1","SUSE-SU-2023:2506-1","SUSE-SU-2023:2660-1","SUSE-SU-2023:2679-1","SUSE-SU-2023:2680-1","SUSE-SU-2023:2686-1","SUSE-SU-2023:2694-1","SUSE-SU-2023:2695-1","SUSE-SU-2023:2702-1","SUSE-SU-2023:2708-1","SUSE-SU-2023:2710-1","SUSE-SU-2023:2714-1","SUSE-SU-2023:2718-1","SUSE-SU-2023:2721-1","SUSE-SU-2023:2727-1","SUSE-SU-2023:2735-1","SUSE-SU-2023:2741-1","SUSE-SU-2023:2743-1","SUSE-SU-2023:2755-1","SUSE-SU-2023:2805-1","SUSE-SU-2023:2809-1"],"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5324"},{"type":"ADVISORY","url":"https://www.openwall.com/lists/oss-security/2023/01/10/1"},{"type":"ADVISORY","url":"https://www.openwall.com/lists/oss-security/2023/01/10/4"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a2965c7be0522eaa18808684b7b82b248515511b"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"2.6.12"},{"last_affected":"6.1.4"}]},{"events":[{"introduced":"0"},{"last_affected":"11.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-23455.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"}]}