CVE-2026-82389 Bluetooth Classic HFP AG wipes an object still linked in the SDP request list on connect failure, causing a NULL dereference

In the Bluetooth Classic Hands-Free Profile Audio Gateway role, hfpagcreate in subsys/bluetooth/host/classic/hfpag.c starts an SDP discovery toward the peer, which links the embedded ag-sdpparam.node into the SDP client's pending request list in subsys/bluetooth/host/classic/sdp.c. If the...