A vulnerability classified as critical was found in Linux Kernel up to 5.10.36/5.11.20/5.12.3 on Power8. This vulnerability affects unknown code of the file /dev/md0 of the component async_xor. The manipulation leads to memory corruption.
This vulnerability was named CVE-2021-47066. The attack can only be done within the local network. There is no exploit available.
It is recommended to upgrade the affected component.