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Gentoo: GLSA 201504-04 High: Xen Multiple Issues Leading To DoS

gentoo
Calendar Grey April 11, 2015
Dist Gentoo Esm H88
Gentoo Advisory GLSA 201504-04 highlights serious flaws in Xen software, which could allow remote denial of service attacks.
Multiple vulnerabilities have been found in Xen, the worst of which can allow remote attackers to cause a Denial of Service condition.

Summary

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

Topics%20covered

Topics Covered

security advisory denial of service high severity gentoo remote attack xen

Resolution

All Xen 4.4 users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.4.2-r1"
All Xen 4.2 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.2.5-r8"

References

[ 1 ] CVE-2013-2212 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-2212 [ 2 ] CVE-2013-3495 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-3495 [ 3 ] CVE-2014-3967 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-3967 [ 4 ] CVE-2014-3968 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-3968 [ 5 ] CVE-2014-5146 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-5146 [ 6 ] CVE-2014-5149 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-5149 [ 7 ] CVE-2014-8594 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8594 [ 8 ] CVE-2014-8595 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8595 [ 9 ] CVE-2014-8866 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8866 [ 10 ] CVE-2014-8867 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8867 [ 11 ] CVE-2014-9030 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9030 [ 12 ] CVE-2014-9065 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9065 [ 13 ] CVE-2014-9066 http://nvd.nist.gov/nvd.cfm?cvena...

Read the Full Advisory

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201504-04
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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.

Severity: High
Title: Xen: Multiple vulnerabilities
Date: April 11, 2015
Bugs: #478280, #482138, #512294, #519800, #530182, #530980,
ID: 201504-04

Topics%20covered

Topics Covered

security advisory denial of service high severity gentoo remote attack xen

Synopsis

Multiple vulnerabilities have been found in Xen, the worst of which can allow remote attackers to cause a Denial of Service condition.

Background

Xen is a bare-metal hypervisor.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-emulation/xen < 4.4.2-r1 >= 4.4.2-r1 *>= 4.2.5-r8

Impact

===== A local attacker could possibly cause a Denial of Service condition or obtain sensitive information.

Workaround

There is no known workaround at this time.

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