The MITRE CVE dictionary describes this issue as:
drivers/vhost/net.c in the Linux kernel before 3.13.10, when mergeable buffers are disabled, does not properly validate packet lengths, which allows guest OS users to cause a denial of service (memory corruption and host OS crash) or possibly gain privileges on the host OS via crafted packets, related to the handle_rx and get_rx_bufs functions.
Find out more about CVE-2014-0077 from the
MITRE CVE dictionary dictionary and
This issue does not affect Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG 2.