A vulnerability was found in Linux Kernel up to 4.14.237/4.19.195/5.4.127/5.10.45/5.12.12. It has been declared as problematic. This vulnerability affects the function dst_clone in the library include/net/dst.h of the component bridge. The manipulation leads to use after free.

This vulnerability was named CVE-2021-47222. 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.