CVE-2025-21986 | Linux Kernel up to 6.1.131/6.6.83/6.12.19/6.13.7 Bridge Driver switchdev_deferred_process deadlock (Nessus ID 234309 / WID-SEC-2025-0683)
A vulnerability identified as critical has been detected in Linux Kernel up to 6.1.131/6.6.83/6.12.19/6.13.7. This impacts the function switchdev_deferred_process of the component Bridge Driver. Performing manipulation results in deadlock.
This vulnerability is cataloged as CVE-2025-21986. The attack must originate from the local network. There is no exploit available.
You should upgrade the affected component.