{"id":"CVE-2026-64408","revision":"951471a5dde34c2b84a76cb910065b19","records":[{"revision":"951471a5dde34c2b84a76cb910065b19","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-64408","aliases":[],"title":"Bluetooth: bnep: pin L2CAP connection during netdev registration","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: bnep: pin L2CAP connection during netdev registration\n\nbnep_add_connection() reads the L2CAP connection without holding the\nchannel lock, then passes its HCI device to register_netdev(). Controller\nteardown can clear and release that connection concurrently, leaving the\nnetwork device registration path to dereference a freed parent device.\n\nTake a reference to the L2CAP connection while holding the channel lock.\nRetain it until register_netdev() has taken the parent device reference.","state":0,"publishedAt":"2026-07-25T08:50:49.807+00:00","modifiedAt":"2026-10-19T20:38:27.425+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/bnep/core.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"65f53e9802dbfae0e5758a91793c3f5f8bece49b\",\n                            \"lessThan\": \"390b5db3ff8745187f094c4e915663b7b1f98944\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"65f53e9802dbfae0e5758a91793c3f5f8bece49b\",\n                            \"lessThan\": \"46a88784c4c9b96954dd86f747ce93f65efa1302\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"65f53e9802dbfae0e5758a91793c3f5f8bece49b\",\n                            \"lessThan\": \"551ae773ec64045b4e72099132654887e0270bcc\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"65f53e9802dbfae0e5758a91793c3f5f8bece49b\",\n                            \"lessThan\": \"ae215c5b6422d8eda443b861b124bd1be6969c31\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"65f53e9802dbfae0e5758a91793c3f5f8bece49b\",\n                            \"lessThan\": \"df22adc7eafc22e651561813c11dc51a796b12ee\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"65f53e9802dbfae0e5758a91793c3f5f8bece49b\",\n                            \"lessThan\": \"a6b22dbd80926556290ad2243be25218d6956a19\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"65f53e9802dbfae0e5758a91793c3f5f8bece49b\",\n                            \"lessThan\": \"563a8573047182f550b1e1e030615755cd8c41da\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"65f53e9802dbfae0e5758a91793c3f5f8bece49b\",\n                            \"lessThan\": \"bb067a99a0356196c0b89a95721985485ebce5a5\",\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/bnep/core.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3.13\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"3.13\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.261\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.212\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.178\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.145\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.96\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.39\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.4\",\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/390b5db3ff8745187f094c4e915663b7b1f98944","https://git.kernel.org/stable/c/46a88784c4c9b96954dd86f747ce93f65efa1302","https://git.kernel.org/stable/c/551ae773ec64045b4e72099132654887e0270bcc","https://git.kernel.org/stable/c/ae215c5b6422d8eda443b861b124bd1be6969c31","https://git.kernel.org/stable/c/df22adc7eafc22e651561813c11dc51a796b12ee","https://git.kernel.org/stable/c/a6b22dbd80926556290ad2243be25218d6956a19","https://git.kernel.org/stable/c/563a8573047182f550b1e1e030615755cd8c41da","https://git.kernel.org/stable/c/bb067a99a0356196c0b89a95721985485ebce5a5"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-64408","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-64408","identifiers":["CVE-2026-64408"]},"retained":false,"historicalAffected":[]}],"coverage":[]}