{"id":"CVE-2023-53374","summary":"Bluetooth: hci_conn: fail SCO/ISO via hci_conn_failed if ACL gone early","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_conn: fail SCO/ISO via hci_conn_failed if ACL gone early\n\nNot calling hci_(dis)connect_cfm before deleting conn referred to by a\nsocket generally results to use-after-free.\n\nWhen cleaning up SCO connections when the parent ACL is deleted too\nearly, use hci_conn_failed to do the connection cleanup properly.\n\nWe also need to clean up ISO connections in a similar situation when\nconnecting has started but LE Create CIS is not yet sent, so do it too\nhere.","modified":"2026-03-20T12:33:07.262593Z","published":"2025-09-18T13:33:20.965Z","related":["SUSE-SU-2025:03600-1","SUSE-SU-2025:03634-1","SUSE-SU-2025:20851-1","SUSE-SU-2025:20861-1","SUSE-SU-2025:20870-1","SUSE-SU-2025:20898-1","SUSE-SU-2025:3751-1","SUSE-SU-2025:4057-1","SUSE-SU-2025:4132-1","SUSE-SU-2025:4141-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53374.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/3344d318337d9dca928fd448e966557ec5063f85"},{"type":"WEB","url":"https://git.kernel.org/stable/c/397d58007532644b35fad746da48c41161f32a57"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e94b898463a62b72a2a8b75dea8936bf4db78e00"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53374.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53374"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"ca1fd42e7dbfcb34890ffbf1f2f4b356776dab6f"},{"fixed":"397d58007532644b35fad746da48c41161f32a57"},{"fixed":"e94b898463a62b72a2a8b75dea8936bf4db78e00"},{"fixed":"3344d318337d9dca928fd448e966557ec5063f85"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"75e35bd4b7935ceed2aacd82f55940e73bf0b63b"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-53374.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:H/I:H/A:H"}]}