{"id":"CVE-2023-40283","details":"An issue was discovered in l2cap_sock_release in net/bluetooth/l2cap_sock.c in the Linux kernel before 6.4.10. There is a use-after-free because the children of an sk are mishandled.","modified":"2026-03-15T22:47:14.204894Z","published":"2023-08-14T03:15:09.257Z","related":["ALSA-2024:0897","SUSE-SU-2023:3599-1","SUSE-SU-2023:3599-2","SUSE-SU-2023:3601-1","SUSE-SU-2023:3656-1","SUSE-SU-2023:3681-1","SUSE-SU-2023:3705-1","SUSE-SU-2023:3971-1","SUSE-SU-2023:3988-1","SUSE-SU-2023:4030-1","SUSE-SU-2023:4058-1","SUSE-SU-2023:4095-1","SUSE-SU-2023:4142-1","SUSE-SU-2023:4347-1"],"references":[{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html"},{"type":"ADVISORY","url":"https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.10"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20231020-0007/"},{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5480"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5492"},{"type":"REPORT","url":"https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1728137b33c00d5a2b5110ed7aafb42e7c32e4a1"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/1728137b33c00d5a2b5110ed7aafb42e7c32e4a1"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-40283.json","unresolved_ranges":[{"events":[{"introduced":"3.5"},{"fixed":"4.14.322"}]},{"events":[{"introduced":"4.15"},{"fixed":"4.19.291"}]},{"events":[{"introduced":"4.20"},{"fixed":"5.4.253"}]},{"events":[{"introduced":"5.5"},{"fixed":"5.10.190"}]},{"events":[{"introduced":"5.11"},{"fixed":"5.15.126"}]},{"events":[{"introduced":"5.16"},{"fixed":"6.1.45"}]},{"events":[{"introduced":"6.2"},{"fixed":"6.4.10"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]},{"events":[{"introduced":"0"},{"last_affected":"11.0"}]},{"events":[{"introduced":"0"},{"last_affected":"12.0"}]},{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"20.04"}]},{"events":[{"introduced":"0"},{"last_affected":"22.04"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}