A vulnerability was found in Linux Kernel up to 5.10.42/5.12.9. It has been declared as problematic. Affected by this vulnerability is the function ext4_mb_init_backend of the component ext4. The manipulation leads to memory leak.

This vulnerability is known as CVE-2021-47116. Access to the local network is required for this attack to succeed. There is no exploit available.

It is recommended to upgrade the affected component.