CVE-2023-53673

The CVE-2023-53673 issue is a Linux kernel Bluetooth vulnerability in the hci_event path. In hci_cs_disconnect, hci_conn_del is called even when disconnection failed, and ISO/L2CAP/SCO can reference hci_conn without hci_conn_get, so disconn_cfm must be called to clean up the conn; otherwise a use...