Seems like Whonix uses pcnet network driver by default, still worth having it here
one guy in IRC mentioned that exploitation as well and posted this link: (Russian Language):
Though according to IRC guy , he said Whonix might not getting effected by this since its using another network card.
A solution is to change the virtual hardware the VBox OVA uses to virtio (whih they support I think). I am not familiar with VBox’s innards to assist more.
seems vbox fixed their vulnerability: