{"id":"CVE-2026-74529","revision":"b4fb24d77bdf42abbdc8cde0660eb3eb","records":[{"revision":"b4fb24d77bdf42abbdc8cde0660eb3eb","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-74529","aliases":[],"title":"Bluetooth: hci_sync: hold conn in hci_connect_pa_sync() callback","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_sync: hold conn in hci_connect_pa_sync() callback\n\nThere is theoretical UAF if the conn is freed while the hci_sync task is\nrunning.\n\nHold refcount to avoid that.","state":0,"publishedAt":"2026-08-15T12:27:44.783+00:00","modifiedAt":"2026-10-21T12:45:47.259+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\": \"eb8b860e87b296bd1874c79a668081efd00f9754\",\n                            \"lessThan\": \"40ef39f1d755ff8d54423345c73d187e77854d0b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6d0417e4e1cf66fd917f06f0454958362714ef7d\",\n                            \"lessThan\": \"68ffe4265775ed9e09e18e9a3b388740e25257bf\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6d0417e4e1cf66fd917f06f0454958362714ef7d\",\n                            \"lessThan\": \"c53c70ec289ee12f20c4f1b2fbfd151762c01f67\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6d0417e4e1cf66fd917f06f0454958362714ef7d\",\n                            \"lessThan\": \"44fc74069d8988f2825246f9401218e29de2c0ab\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"94bf6380e936339a700c0b3171a49baf512aa70b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6.12.28\",\n                            \"lessThan\": \"6.12.114\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.14.6\",\n                            \"lessThan\": \"6.15\",\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\": \"6.15\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.15\",\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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/40ef39f1d755ff8d54423345c73d187e77854d0b","https://git.kernel.org/stable/c/68ffe4265775ed9e09e18e9a3b388740e25257bf","https://git.kernel.org/stable/c/c53c70ec289ee12f20c4f1b2fbfd151762c01f67","https://git.kernel.org/stable/c/44fc74069d8988f2825246f9401218e29de2c0ab"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-74529","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-74529","identifiers":["CVE-2026-74529"]},"retained":false,"historicalAffected":[]}],"coverage":[]}