EUVD-2026-86940

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: Fix race condition during device registration In hciregisterdev, the poweron work item is queued to hdev-reqworkqueue before initializing hdev-advmonitorsidr and registering the MSFT extension via msftregister...

kernel: Bluetooth: hci_ldisc: Clear HCI_UART_PROTO_INIT on error

A flaw was found in the Linux kernel's Bluetooth Host Controller Interface HCI Universal Asynchronous Receiver/Transmitter UART driver. When the hciregisterdev function fails, a flag indicating protocol initialization is not properly cleared. This oversight allows incoming UART data to be process...

CVE-2026-53073: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcildisc: Clear HCIUARTPROTOINIT on error When hciregisterdev fails in hciuartregisterdev HCIUARTPROTOINIT is not cleared before calling hu-proto-closehu and setting hu-hdev to NULL. This means incoming UART data will...

CVE-2024-41063 Bluetooth: hci_core: cancel all works upon hci_unregister_dev()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: cancel all works upon hciunregisterdev syzbot is reporting that calling hcireleasedev from hcierrorreset due to hcidevput from hcierrorreset can cause deadlock at destroyworkqueue, for hcierrorreset is called...