A vulnerability was found in Linux Kernel up to 5.4.116/5.10.34/5.11.18/5.12.1. It has been declared as critical. This vulnerability affects the function security_locked_down of the component perf. The manipulation leads to improper access controls.

This vulnerability was named CVE-2021-46971. The attack needs to be done within the local network. There is no exploit available.

It is recommended to upgrade the affected component.