CVE-2026-43255

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description An issue exists in the libertas wifi component where the usb tx block() function submits cardp->tx urb without verifying if previous transmissions on that URB (USB Request Block) have completed. If a second call occurs while the URB is still active, such as during rapid firmware loading, the usb submit urb() function detects the active state and triggers a warning.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.