CVE-2026-43431

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

Description A NULL pointer dereference occurs when reading portli debugfs files. This issue arises when the number of port registers counted in xhci->max ports exceeds the ports reported by Supported Protocol capabilities, which can happen if max ports is greater than the maximum port number or if gaps exist between ports of different speeds. In these scenarios, port->rhub becomes NULL, preventing access to the xhci structure.

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