Описание
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: hci_event: fix potential UAF in SSP passkey handlers
hci_conn lookup and field access must be covered by hdev lock in hci_user_passkey_notify_evt() and hci_keypress_notify_evt(), otherwise the connection can be freed concurrently.
Extend the hci_dev_lock critical section to cover all conn usage in both handlers.
Keep the existing keypress notification behavior unchanged by routing the early exits through a common unlock path.
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: hci_event: fix potential UAF in SSP passkey handlers
hci_conn lookup and field access must be covered by hdev lock in hci_user_passkey_notify_evt() and hci_keypress_notify_evt(), otherwise the connection can be freed concurrently.
Extend the hci_dev_lock critical section to cover all conn usage in both handlers.
Keep the existing keypress notification behavior unchanged by routing the early exits through a common unlock path.
Ссылки
- https://nvd.nist.gov/vuln/detail/CVE-2026-46056
- https://git.kernel.org/stable/c/01a6431766c35dfedb86e0cb5d3fc80c6d604a47
- https://git.kernel.org/stable/c/204028af77a265e31ceb4ba7f643349a3cca72b2
- https://git.kernel.org/stable/c/85fa3512048793076eef658f66489112dcc91993
- https://git.kernel.org/stable/c/8c6443bb9257b780986fb67ec08565bf48ecb8d7
- https://git.kernel.org/stable/c/b6ae482f88654db407c8c17619d4b62959b903ef
- https://git.kernel.org/stable/c/d28311539ac9f65e29308ea219ecaa48aa5e76e5
- https://git.kernel.org/stable/c/e08d75753db17aa943d7622f09d9c217b5bfd3b8
- https://git.kernel.org/stable/c/ea18732d2614557e59f4c0d8cdbe6611aeab33b7
Связанные уязвимости
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers hci_conn lookup and field access must be covered by hdev lock in hci_user_passkey_notify_evt() and hci_keypress_notify_evt(), otherwise the connection can be freed concurrently. Extend the hci_dev_lock critical section to cover all conn usage in both handlers. Keep the existing keypress notification behavior unchanged by routing the early exits through a common unlock path.
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers hci_conn lookup and field access must be covered by hdev lock in hci_user_passkey_notify_evt() and hci_keypress_notify_evt(), otherwise the connection can be freed concurrently. Extend the hci_dev_lock critical section to cover all conn usage in both handlers. Keep the existing keypress notification behavior unchanged by routing the early exits through a common unlock path.
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers hci_conn lookup and field access must be covered by hdev lock in hci_user_passkey_notify_evt() and hci_keypress_notify_evt(), otherwise the connection can be freed concurrently. Extend the hci_dev_lock critical section to cover all conn usage in both handlers. Keep the existing keypress notification behavior unchanged by routing the early exits through a common unlock path.
In the Linux kernel, the following vulnerability has been resolved: B ...