June 12, 2012
The Xen security team has released three security advisories regarding the Xen hypervisor. AWS customers are not affected by these issues.
Information on the advisories can be found below:
http://lists.xen.org/archives/html/xen-announce/2012-06/msg00001.html
Xen Security Advisory 7 (CVE-2012-0217) - PV privilege escalation
http://lists.xen.org/archives/html/xen-announce/2012-06/msg00003.html
Xen Security Advisory 8 (CVE-2012-0218) - syscall/enter guest DoS
http://lists.xen.org/archives/html/xen-announce/2012-06/msg00002.html
Xen Security Advisory 9 (CVE-2012-2934) - PV guest host DoS (AMD erratum #121)