xen-4.4.3-10.el6 and xen-4.6.0-9.el7, which contain patches for XSAs
167-169, are on their way to CentOS 6 and CentOS 7 Virt Sig Xen mirrors, respectively.

As a reminder, this is the last security update for xen-4.4. Xen 4.6
for CentOS 6 is already available in CentOS-virt-xen-testing, and we will be pushing it to the main (mirrors) repository sometime this week.

Peace,
-George