A vulnerability classified as critical has been found in Linux Kernel up to 4.9.273/4.14.237/5.12/5.13. This affects the function dwc3_shutdown of the component usb. The manipulation leads to null pointer dereference.

This vulnerability is uniquely identified as CVE-2021-47220. 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.