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[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

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

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

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