Updated xen packages has been released for Debian GNU/Linux 8 and 9

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Debian Security Advisory DSA-4050-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
November 28, 2017 https://www.debian.org/security/faq
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Package : xen
CVE ID : CVE-2017-14316 CVE-2017-14317 CVE-2017-14318 CVE-2017-14319
CVE-2017-15588 CVE-2017-15589 CVE-2017-15590 CVE-2017-15592
CVE-2017-15593 CVE-2017-15594 CVE-2017-15595 CVE-2017-15597

Multiple vulnerabilities have been discovered in the Xen hypervisor, which
could result in denial of service, information leaks, privilege escalation
or the execution of arbitrary code.

For the oldstable distribution (jessie) a separate update will be
released.

For the stable distribution (stretch), these problems have been fixed in
version 4.8.2+xsa245-0+deb9u1.

We recommend that you upgrade your xen packages.

For the detailed security status of xen please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/xen

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

  Xen Security Update for Debian 8/9