Hi all,
Sorry for running a bit behind on security patch releases for the Xen-44 branch. As of yesterday, package version 4.4.4-28 was released for testing, which includes all relevant XSA patches through XSA-235 here:
https://buildlogs.centos.org/centos/6/virt/x86_64/xen-44/
Please test and provide feedback if possible so we can get this package moved to release fairly soon.
Currently in the release repo is 4.4.4-27 as of last week, which contains all relevant patches through XSA-230.