{"id":"CVE-2026-46056","summary":"Bluetooth: hci_event: fix potential UAF in SSP passkey handlers","details":"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.","modified":"2026-06-05T18:29:24.971319475Z","published":"2026-05-27T12:57:15.150Z","related":["openSUSE-SU-2026:10954-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46056.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/01a6431766c35dfedb86e0cb5d3fc80c6d604a47"},{"type":"WEB","url":"https://git.kernel.org/stable/c/204028af77a265e31ceb4ba7f643349a3cca72b2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/85fa3512048793076eef658f66489112dcc91993"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8c6443bb9257b780986fb67ec08565bf48ecb8d7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b6ae482f88654db407c8c17619d4b62959b903ef"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e08d75753db17aa943d7622f09d9c217b5bfd3b8"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46056.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46056"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"92a25256f142d55e25f9959441cea6ddeabae57e"},{"fixed":"b6ae482f88654db407c8c17619d4b62959b903ef"},{"fixed":"204028af77a265e31ceb4ba7f643349a3cca72b2"},{"fixed":"01a6431766c35dfedb86e0cb5d3fc80c6d604a47"},{"fixed":"e08d75753db17aa943d7622f09d9c217b5bfd3b8"},{"fixed":"8c6443bb9257b780986fb67ec08565bf48ecb8d7"},{"fixed":"85fa3512048793076eef658f66489112dcc91993"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-46056.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.7.0"},{"fixed":"6.1.175"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.140"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.86"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.27"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-46056.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}