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Gentoo: 201611-11 Moderate: QEMU Denial of Service Threats

gentoo
Calendar Grey November 19, 2016
Dist Gentoo Esm H88
Numerous security flaws identified in QEMU may result in Denial of Service attacks. It is advisable to upgrade to maintain security integrity.
Multiple vulnerabilities have been found in QEMU, the worst of which could cause a Denial of Service condition.

Summary

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

Topics%20covered

Topics Covered

security advisory moderate denial of service gentoo multiple issues qemu

Resolution

All QEMU users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-emulation/qemu-2.7.0-r6"

References

[ 1 ] CVE-2016-7161 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7161 [ 2 ] CVE-2016-7423 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7423 [ 3 ] CVE-2016-7466 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7466 [ 4 ] CVE-2016-7907 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7907 [ 5 ] CVE-2016-7908 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7908 [ 6 ] CVE-2016-7909 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7909 [ 7 ] CVE-2016-7994 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7994 [ 8 ] CVE-2016-8576 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-8576 [ 9 ] CVE-2016-8577 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-8577 [ 10 ] CVE-2016-8578 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-8578 [ 11 ] CVE-2016-8668 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-8668 [ 12 ] CVE-2016-8669 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-8669 [ 13 ] CVE-2016-8909 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/201611-11
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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: Normal
Title: QEMU: Multiple vulnerabilities
Date: November 18, 2016
Bugs: #594368, #594520, #595192, #596048, #596738, #596752,
ID: 201611-11

Topics%20covered

Topics Covered

security advisory moderate denial of service gentoo multiple issues qemu

Synopsis

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

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 < 2.7.0-r6 >= 2.7.0-r6

Impact

===== A privileged user /process within a guest QEMU environment can cause a Denial of Service condition against the QEMU guest process or the host.

Workaround

There is no known workaround at this time.

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