CVE-2026-43255
MediumSummary
A vulnerability has been identified in the Linux kernel within the wifi: libertas module, which has been resolved. The usb_tx_block() function submits cardp->tx_urb without ensuring that any previous transmission on this URB has completed.
Risk Assessment
This vulnerability may lead to improper functioning of the network device, potentially affecting the stability and security of network communications.
Recommendation
It is recommended to update the Linux kernel to the latest version to mitigate this vulnerability and to monitor the system for any improper behavior of network devices.
Original NVD description (English source)
In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: fix WARNING in usb_tx_block The function usb_tx_block() submits cardp->tx_urb without ensuring that any previous transmission on this URB has completed. If a second call occurs while the URB is still active (e.g. d

