CVE-2026-53073

CVE-2026-53073 affects Linux kernel Bluetooth HCI UART handling. The issue occurs when hci_register_dev() fails in hci_uart_register_dev() and HCI_UART_PROTO_INIT is not cleared before hu->proto->close() and hu->hdev = NULL, potentially allowing protocol recv path to access freed resourc...

EUVD-2026-5891

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciuart: fix null-ptr-deref in hciuartwritework hciuartsetproto sets HCIUARTPROTOINIT before calling hciuartregisterdev, which calls proto-open to initialize hu-priv. However, if a TTY write wakeup occurs during this...