{"id":"CVE-2026-46056","revision":"081ee80816f14dfaa36f9e604ff40d3c","records":[{"revision":"081ee80816f14dfaa36f9e604ff40d3c","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-46056","aliases":[],"title":"Bluetooth: hci_event: fix potential UAF in SSP passkey handlers","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_event: fix potential UAF in SSP passkey handlers\n\nhci_conn lookup and field access must be covered by hdev lock in\nhci_user_passkey_notify_evt() and hci_keypress_notify_evt(), otherwise\nthe connection can be freed concurrently.\n\nExtend the hci_dev_lock critical section to cover all conn usage in both\nhandlers.\n\nKeep the existing keypress notification behavior unchanged by routing\nthe early exits through a common unlock path.","state":0,"publishedAt":"2026-05-27T12:57:15.15+00:00","modifiedAt":"2026-10-19T19:26:42.49+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/bluetooth/hci_event.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"92a25256f142d55e25f9959441cea6ddeabae57e\",\n                            \"lessThan\": \"ea18732d2614557e59f4c0d8cdbe6611aeab33b7\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"92a25256f142d55e25f9959441cea6ddeabae57e\",\n                            \"lessThan\": \"d28311539ac9f65e29308ea219ecaa48aa5e76e5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"92a25256f142d55e25f9959441cea6ddeabae57e\",\n                            \"lessThan\": \"b6ae482f88654db407c8c17619d4b62959b903ef\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"92a25256f142d55e25f9959441cea6ddeabae57e\",\n                            \"lessThan\": \"204028af77a265e31ceb4ba7f643349a3cca72b2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"92a25256f142d55e25f9959441cea6ddeabae57e\",\n                            \"lessThan\": \"01a6431766c35dfedb86e0cb5d3fc80c6d604a47\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"92a25256f142d55e25f9959441cea6ddeabae57e\",\n                            \"lessThan\": \"e08d75753db17aa943d7622f09d9c217b5bfd3b8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"92a25256f142d55e25f9959441cea6ddeabae57e\",\n                            \"lessThan\": \"8c6443bb9257b780986fb67ec08565bf48ecb8d7\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"92a25256f142d55e25f9959441cea6ddeabae57e\",\n                            \"lessThan\": \"85fa3512048793076eef658f66489112dcc91993\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/bluetooth/hci_event.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3.7\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"3.7\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.259\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.210\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.175\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.140\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.86\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.27\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.0.4\",\n                            \"lessThanOrEqual\": \"7.0.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/ea18732d2614557e59f4c0d8cdbe6611aeab33b7","https://git.kernel.org/stable/c/d28311539ac9f65e29308ea219ecaa48aa5e76e5","https://git.kernel.org/stable/c/b6ae482f88654db407c8c17619d4b62959b903ef","https://git.kernel.org/stable/c/204028af77a265e31ceb4ba7f643349a3cca72b2","https://git.kernel.org/stable/c/01a6431766c35dfedb86e0cb5d3fc80c6d604a47","https://git.kernel.org/stable/c/e08d75753db17aa943d7622f09d9c217b5bfd3b8","https://git.kernel.org/stable/c/8c6443bb9257b780986fb67ec08565bf48ecb8d7","https://git.kernel.org/stable/c/85fa3512048793076eef658f66489112dcc91993"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-46056","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-46056","identifiers":["CVE-2026-46056"]},"retained":false,"historicalAffected":[]}],"coverage":[]}