A vulnerability, which was classified as critical, has been found in Linux Kernel up to 5.12.0. Affected by this issue is the function hso_serial_tty_unregister of the component hso. The manipulation leads to null pointer dereference.

This vulnerability is handled as CVE-2021-46905. The attack needs to be initiated within the local network. There is no exploit available.

It is recommended to upgrade the affected component.