"3.3 (U) Prerequisites (S//NF) The target must be running a compatible 64-bit version of CentOS/RHEL 6.x (kernel version 2.6.32). (S//NF) The Operator must have shell access to the target. (S//NF) The target must have a “nat” netfilter table."
O sea, afectación 0. Ultimamente vemos muchos artículos hablando de "vulnerabilidades de Linux", ya cansa ;-)