CVE-2025-21655 | Linux Kernel up to 6.1.124/6.6.71/6.12.9 eventfd io_eventfd_signal reference count (Nessus ID 215034 / WID-SEC-2025-0132)
A vulnerability marked as problematic has been reported in Linux Kernel up to 6.1.124/6.6.71/6.12.9. Affected by this vulnerability is the function io_eventfd_signal of the component eventfd. Performing a manipulation results in improper update of reference count.
This vulnerability is identified as CVE-2025-21655. The attack can only be performed from the local network. Additionally, an exploit exists.
It is suggested to upgrade the affected component.