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Gentoo Linux Security Advisory                           GLSA 201810-06
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: Xen: Multiple vulnerabilities
     Date: October 30, 2018
     Bugs: #643350, #655188, #655544, #659442
       ID: 201810-06

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Synopsis
=======
Multiple vulnerabilities have been found in Xen, the worst of which
could cause a Denial of Service condition.

Background
=========
Xen is a bare-metal hypervisor.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  app-emulation/xen          < 4.10.1-r2              >= 4.10.1-r2
  2  app-emulation/xen-tools    < 4.10.1-r2              >= 4.10.1-r2
    -------------------------------------------------------------------
     2 affected packages

Description
==========
Multiple vulnerabilities have been discovered in Xen. Please review the
referenced CVE identifiers for details.

Impact
=====
A local attacker could cause a Denial of Service condition or disclose
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-4.10.1-r2"

All Xen tools users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot -v ">=app-emulation/xen-tools-4.10.1-r2"

References
=========
[  1 ] CVE-2017-5715
       https://nvd.nist.gov/vuln/detail/CVE-2017-5715
[  2 ] CVE-2017-5753
       https://nvd.nist.gov/vuln/detail/CVE-2017-5753
[  3 ] CVE-2017-5754
       https://nvd.nist.gov/vuln/detail/CVE-2017-5754
[  4 ] CVE-2018-10471
       https://nvd.nist.gov/vuln/detail/CVE-2018-10471
[  5 ] CVE-2018-10472
       https://nvd.nist.gov/vuln/detail/CVE-2018-10472
[  6 ] CVE-2018-10981
       https://nvd.nist.gov/vuln/detail/CVE-2018-10981
[  7 ] CVE-2018-10982
       https://nvd.nist.gov/vuln/detail/CVE-2018-10982
[  8 ] CVE-2018-12891
       https://nvd.nist.gov/vuln/detail/CVE-2018-12891
[  9 ] CVE-2018-12892
       https://nvd.nist.gov/vuln/detail/CVE-2018-12892
[ 10 ] CVE-2018-12893
       https://nvd.nist.gov/vuln/detail/CVE-2018-12893
[ 11 ] CVE-2018-15468
       https://nvd.nist.gov/vuln/detail/CVE-2018-15468
[ 12 ] CVE-2018-15469
       https://nvd.nist.gov/vuln/detail/CVE-2018-15469
[ 13 ] CVE-2018-15470
       https://nvd.nist.gov/vuln/detail/CVE-2018-15470
[ 14 ] CVE-2018-3620
       https://nvd.nist.gov/vuln/detail/CVE-2018-3620
[ 15 ] CVE-2018-3646
       https://nvd.nist.gov/vuln/detail/CVE-2018-3646
[ 16 ] CVE-2018-5244
       https://nvd.nist.gov/vuln/detail/CVE-2018-5244
[ 17 ] CVE-2018-7540
       https://nvd.nist.gov/vuln/detail/CVE-2018-7540
[ 18 ] CVE-2018-7541
       https://nvd.nist.gov/vuln/detail/CVE-2018-7541
[ 19 ] CVE-2018-7542
       https://nvd.nist.gov/vuln/detail/CVE-2018-7542

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

 https://security.gentoo.org/glsa/201810-06

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 2018 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.

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