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Gentoo: GLSA-201412-01 Critical: QEMU DoS Risk and Security Advisory

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Calendar Grey December 8, 2014
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Enhance your QEMU installation to mitigate critical security flaws that may render your system susceptible to denial-of-service assaults, as highlighted in this Gentoo security notice.
Multiple vulnerabilities have been found in QEMU, the worst of which allows context dependent attackers to cause Denial of Service.

Summary

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

Topics%20covered

Topics Covered

security advisory Gentoo update DoS multiple vulnerabilities

Resolution

All QEMU users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-emulation/qemu-2.1.2-r1"

References

[ 1 ] CVE-2014-3471 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-3471 [ 2 ] CVE-2014-3615 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-3615 [ 3 ] CVE-2014-3640 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-3640 [ 4 ] CVE-2014-5263 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-5263 [ 5 ] CVE-2014-5388 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-5388 [ 6 ] CVE-2014-7815 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-7815

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201412-01
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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.

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Severity: Normal
Title: QEMU: Multiple Vulnerabilities
Date: December 08, 2014
Bugs: #514680, #519506, #520688, #522364, #523428, #527088
ID: 201412-01

Topics%20covered

Topics Covered

security advisory Gentoo update DoS multiple vulnerabilities

Synopsis

Multiple vulnerabilities have been found in QEMU, the worst of which allows context dependent attackers to cause Denial of Service.

Background

QEMU is a generic and open source machine emulator and virtualizer.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-emulation/qemu < 2.1.2-r1 >= 2.1.2-r1

Impact

===== A context-dependent attacker could cause a Denial of Service condition and a local user can obtain sensitive information.

Workaround

There is no known workaround at this time.