Fedora 21 Security Update: xen-4.4.2-4.fc21

Resolved Bugs
1221153 – CVE-2015-3456 xen: qemu: fdc: out-of-bounds fifo buffer memory access [fedora-all]
1218611 – CVE-2015-3456 qemu: fdc: out-of-bounds fifo buffer memory access<br
Privilege escalation via emulated floppy disk drive [XSA-133, CVE-2015-3456] (#1221153)