2016/05/09 6:00 AM PDT
The Xen Security team has released Xen Security Advisory 179 (CVE-2016-3710 and CVE-2016-3712) regarding the Xen hypervisor. AWS customers' data and instances are not affected by this issue, and there is no customer action required.
Information on the advisory can be found below:
http://xenbits.xen.org/xsa/advisory-179.html