Is this, in a file in modprobe.d, enough to prevent this attack for Linux users who never want to use Firewire?
# prevent automatic loading
blacklist sbp2
blacklist ieee1394
blacklist ohci1394
blacklist raw1394
blacklist eth1394
blacklist dv1394
blacklist firewire-ohci
blacklist firewire-core
blacklist firewire-sbp2
# and just for paranoia, prevent manual loading
install sbp2 false
install ieee1394 false
install ohci1394 false
install raw1394 false
install eth1394 false
install dv1394 false
install firewire-ohci false
install firewire-core false
install firewire-sbp2 false