CVE-2026-15460: Operation on Resource in Wrong Phase of Lifetime

The Bluetooth Classic BR/EDR L2CAP receive handler btl2capbrrecv in subsys/bluetooth/host/classic/l2capbr.c dispatched inbound data PDUs based only on the destination channel ID, without checking that the target channel had reached the BTL2CAPCONNECTED state. A dynamic channel is assigned its RX...