A vulnerability was found in Linux Kernel up to 5.4.150/5.10.70/5.14.9. It has been declared as problematic. This vulnerability affects the function fl_walk of the component sched. The manipulation leads to use after free.

This vulnerability was named CVE-2021-47402. Access to the local network is required for this attack. There is no exploit available.

It is recommended to upgrade the affected component.