CVE-2026-64405 Bluetooth: hci_conn: Fix null ptr deref in hci_abort_conn()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: Fix null ptr deref in hciabortconn hciabortconn read hciskbeventhdev-sentcmd when a connection was pending, but hdev-sentcmd can be NULL while reqstatus is still HCIREQPEND, leading to a NULL pointer dereferen...

CVE-2026-64405

CVE-2026-64405 affects the Linux kernel Bluetooth subsystem (HCI). The vulnerability arises when hci_abort_conn() reads hdev->sent_cmd during a pending connection, where sent_cmd can be NULL (req_status == HCI_REQ_PEND), causing a NULL pointer dereference. The fix introduces a per-connection H...