CVE-2026-23129

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

Description The Linux kernel contained a flaw where duplicate registrations of pins were permitted. Specifically, the dpll xa ref dpll add() and dpll xa ref pin add() functions allowed multiple registrations of the same pin on a device, leading to incorrect reference counting and potential issues during unregistration, such as warnings being triggered. The issue was addressed by modifying the registration logic to return -EEXIST if a matching registration was found, enforcing a strict "register once" policy.

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