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

CVE-2026-68085 — Linux kernel (Bluetooth hci_uart) Root cause: when canceling a pending write_work in hci_uart_close(), the HCI_UART_SENDING flag is not cleared, causing future writes to be blocked when the device is reopened. The fix clears HCI_UART_SENDING on cancellation and makes tx_skb handl...