This update for xen fixes several issues.
These security issues were fixed:
{ "binaries": [ { "xen-tools-domU": "4.4.4_32-22.68.1", "xen-kmp-default": "4.4.4_32_k3.12.61_52.133-22.68.1", "xen-libs": "4.4.4_32-22.68.1", "xen-doc-html": "4.4.4_32-22.68.1", "xen-libs-32bit": "4.4.4_32-22.68.1", "xen-tools": "4.4.4_32-22.68.1", "xen": "4.4.4_32-22.68.1" } ] }