{"id":"CVE-2026-80692","revision":"02aa4fc5dacc46848ebae44281affaf5","records":[{"revision":"02aa4fc5dacc46848ebae44281affaf5","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-80692","aliases":[],"title":"Bluetooth: hci_sync: hold conn in hci_connect_acl/le_sync() callbacks","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_sync: hold conn in hci_connect_acl/le_sync() callbacks\n\nThere is theoretical UAF if the conn is freed while the hci_sync task\nis running.\n\nHold refcount to avoid that.","state":0,"publishedAt":"2026-08-28T06:52:55.529+00:00","modifiedAt":"2026-10-21T12:46:52.785+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_sync.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"d948e1ffa1d40240d5c81af6dcbcb87b39cb8d3c\",\n                            \"lessThan\": \"f0a544ef6e38e4063d0ed72ad83d6bf0f4e70805\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"881559af5f5c545f6828e7c74d79813eb886d523\",\n                            \"lessThan\": \"301a4e2e89313dee10f0e8cb084daedbbe4a3dce\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"881559af5f5c545f6828e7c74d79813eb886d523\",\n                            \"lessThan\": \"a4de6fc95b2f36967fc247ae51cad2171194f7cd\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"881559af5f5c545f6828e7c74d79813eb886d523\",\n                            \"lessThan\": \"9a77f296aff4b2ca5f2928ab3a3220c82d8b4074\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"881559af5f5c545f6828e7c74d79813eb886d523\",\n                            \"lessThan\": \"2f5d635ad5906b0235bc0c870e8beba3116e1e98\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5dd0bd277a0a936708a33ecc447dce77a08cbde6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6.6.51\",\n                            \"lessThan\": \"6.6.160\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.8.9\",\n                            \"lessThan\": \"6.9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\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_sync.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.9\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.9\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.160\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.114\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.57\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.8\",\n                            \"lessThanOrEqual\": \"7.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2\",\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/f0a544ef6e38e4063d0ed72ad83d6bf0f4e70805","https://git.kernel.org/stable/c/301a4e2e89313dee10f0e8cb084daedbbe4a3dce","https://git.kernel.org/stable/c/a4de6fc95b2f36967fc247ae51cad2171194f7cd","https://git.kernel.org/stable/c/9a77f296aff4b2ca5f2928ab3a3220c82d8b4074","https://git.kernel.org/stable/c/2f5d635ad5906b0235bc0c870e8beba3116e1e98"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-80692","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-80692","identifiers":["CVE-2026-80692"]},"retained":false,"historicalAffected":[]}],"coverage":[]}