Resolved Bugs
1186448 – CVE-2015-0239 kernel: kvm: insufficient sysenter emulation when invoked from 16-bit code
1186453 – CVE-2015-0239 kernel: kvm: insufficient sysenter emulation when invoked from 16-bit code [fedora-all]<br
The 3.18.4 stable update contains a number new features and drivers as well as several important fixes across the tree.