A vulnerability was found in Linux Kernel up to 6.12.93/6.18.35/7.0.12 . It has been rated as critical . This affects the function devl_unregister of the component devlink . Performing a manipulation of the argument rel results in information disclosure. This vulnerability is identified as CVE-2026-53261 . The attack can only be performed from the local network. There is not any exploit available. Upgrading the affected component is advised.