{"id":"CVE-2026-68391","revision":"87e05d8877754463bcafc9940ac953a6","records":[{"revision":"87e05d8877754463bcafc9940ac953a6","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-68391","aliases":[],"title":"Bluetooth: mgmt: hold reference for hci_conn in mgmt_pending_cmds","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: mgmt: hold reference for hci_conn in mgmt_pending_cmds\n\nDereferencing RCU-protected pointers outside critical sections is\ninvalid and may lead to UAF.  Use of hci_conn in hci_sync callbacks also\nneeds to hold refcount to avoid UAF.\n\nTake appropriate locks for hci_conn lookups, and take refcount for\nhci_conn pointers stored in mgmt_pending_cmd so that the pointer stays\nvalid.\n\nWhen accessing conn->state, ensure hdev->lock is held to avoid data\nrace.","state":0,"publishedAt":"2026-08-10T12:04:10.564+00:00","modifiedAt":"2026-10-19T21:09:07.828+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/mgmt.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"7b445e220db9a2c58be5d09bbbd322abf1b1452a\",\n                            \"lessThan\": \"84674dd1d3192ecb050827d3148642609c0c9dbb\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7b445e220db9a2c58be5d09bbbd322abf1b1452a\",\n                            \"lessThan\": \"b56f2ecafc08f372bf0529f9c4f3f429cb1702dc\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7b445e220db9a2c58be5d09bbbd322abf1b1452a\",\n                            \"lessThan\": \"f915e74b6f18293d1d69a2a3305ef321ff7c0172\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7b445e220db9a2c58be5d09bbbd322abf1b1452a\",\n                            \"lessThan\": \"d5b3b484b62bb0f4542e7622789d28871626cdf0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7b445e220db9a2c58be5d09bbbd322abf1b1452a\",\n                            \"lessThan\": \"ecdcb55ea1c01dda074406f38058785a69526734\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7b445e220db9a2c58be5d09bbbd322abf1b1452a\",\n                            \"lessThan\": \"da55f570191d5d72f10c607a7043b947eb05ea46\",\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/mgmt.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.0\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.189\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.148\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.101\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.42\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.6\",\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/84674dd1d3192ecb050827d3148642609c0c9dbb","https://git.kernel.org/stable/c/b56f2ecafc08f372bf0529f9c4f3f429cb1702dc","https://git.kernel.org/stable/c/f915e74b6f18293d1d69a2a3305ef321ff7c0172","https://git.kernel.org/stable/c/d5b3b484b62bb0f4542e7622789d28871626cdf0","https://git.kernel.org/stable/c/ecdcb55ea1c01dda074406f38058785a69526734","https://git.kernel.org/stable/c/da55f570191d5d72f10c607a7043b947eb05ea46"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-68391","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-68391","identifiers":["CVE-2026-68391"]},"retained":false,"historicalAffected":[]}],"coverage":[]}