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Sicherheit: Mehrere Probleme in Xen
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Xen
ID: 201702-27
Distribution: Gentoo
Plattformen: Keine Angabe
Datum: Di, 21. Februar 2017, 07:44
Referenzen: http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-2615
https://xenbits.xen.org/xsa/advisory-208.html
https://xenbits.xen.org/xsa/advisory-207.html

Originalnachricht

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From: Thomas Deutschmann <whissi@gentoo.org>
Reply-To: security@gentoo.org
To: gentoo-announce@lists.gentoo.org
Message-ID: <0d1b7286-7ec3-9350-07e7-2f52ea5ffbe9@gentoo.org>
Subject: [ GLSA 201702-27 ] Xen: Multiple vulnerabilities

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Gentoo Linux Security Advisory GLSA 201702-27
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https://security.gentoo.org/
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Severity: Normal
Title: Xen: Multiple vulnerabilities
Date: February 21, 2017
Bugs: #607840, #609160
ID: 201702-27

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Synopsis
========

Multiple vulnerabilities have been found in Xen, the worst of which
could lead to the execution of arbitrary code on the host system.

Background
==========

Xen is a bare-metal hypervisor.

Affected packages
=================

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-emulation/xen < 4.7.1-r5 >= 4.7.1-r5
2 app-emulation/xen-tools < 4.7.1-r6 >= 4.7.1-r6
-------------------------------------------------------------------
2 affected packages

Description
===========

Multiple vulnerabilities have been discovered in Xen. Please review the
CVE identifiers and Xen Security Advisory referenced below for details.

Impact
======

A local attacker could potentially execute arbitrary code with
privileges of Xen (QEMU) process on the host, gain privileges on the
host system, cause a Denial of Service condition, or obtain sensitive
information.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Xen users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-emulation/xen-4.7.1-r5"

All Xen Tools users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot -v ">=app-emulation/xen-tools-4.7.1-r6"

References
==========

[ 1 ] CVE-2017-2615
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-2615
[ 2 ] XSA-207
https://xenbits.xen.org/xsa/advisory-207.html
[ 3 ] XSA-208
https://xenbits.xen.org/xsa/advisory-208.html

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/201702-27

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2017 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5


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