[SECURITY] [DLA 783-1] xen security update

Package : xen
Version : 4.1.6.lts1-5
CVE ID : CVE-2016-10013 CVE-2016-10024

Multiple vulnerabilities have been discovered in the Xen hypervisor. The
Common Vulnerabilities and Exposures project identifies the following
problems:

CVE-2016-10013 (xsa-204)

Xen mishandles SYSCALL singlestep during emulation which can lead to
privilege escalation. The vulnerability is only exposed to 64-bit x86
HVM guests.

CVE-2016-10024 (xsa-202)

PV guests may be able to mask interrupts causing a Denial of Service.

For Debian 7 "Wheezy", these problems have been fixed in version
4.1.6.lts1-5.

We recommend that you upgrade your xen packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS