EUVD-2026-55266

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciuart: clear HCIUARTSENDING when writework is canceled HCIUARTSENDING bit in txstate means writework is pending and blocks queueing it again. Currently this bit is not cleared when canceling the work in hciuartclose,...

CVE-2026-68085

The CVE describes a Linux kernel Bluetooth hci_uart issue where HCI_UART_SENDING could remain set after write_work cancellation in hci_uart_close(), blocking future writes when the device is reopened. The fix clears HCI_UART_SENDING during cancellation, and uses disable_work_sync + enable_work fo...