This update for xen fixes the following issues:

- A Mishandling of SYSCALL singlestep during emulation which could
have lead to privilege escalation. (XSA-204, bsc#1016340, CVE-2016-10013)
- CMPXCHG8B emulation failed to ignore operand size override which could have
lead to information disclosure. (XSA-200, bsc#1012651, CVE-2016-9932)
- PV guests may have been able to mask interrupts causing a Denial of Service.
(XSA-202, bsc#1014298, CVE-2016-10024)
- A missing NULL pointer check in VMFUNC emulation could lead to a hypervisor
crash leading to a Denial of Servce. (XSA-203, bsc#1014300, CVE-2016-10025)

This update was imported from the SUSE:SLE-12-SP2:Update update project.