CVE-2021-47356 | Linux Kernel up to 5.13.2 mISDN HFC_cleanup use after free (Nessus ID 207689)

A vulnerability has been found in Linux Kernel up to 5.13.2 and classified as critical. Affected by this vulnerability is the function HFC_cleanup of the component mISDN. The manipulation leads to use after free.

This vulnerability is known as CVE-2021-47356. The attack can only be initiated within the local network. There is no exploit available.

It is recommended to upgrade the affected component.