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Gentoo: GLSA-201612-56 Standard: Risk of Code Execution in Xen

gentoo
Calendar Grey December 31, 2016
Dist Gentoo Esm H88
Various security flaws in Xen may lead to remote code execution on the host machine; upgrade your Gentoo system immediately.
Multiple vulnerabilities have been found in Xen, the worst of which could lead to the execution of arbitrary code on the host system.

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 gentoo code execution arbitrary code xen

Resolution

All Xen users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.7.1-r4"
All Xen Tools users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot -v ">=app-emulation/xen-tools-4.7.1-r4"
All Xen PvGrub users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot -v ">=app-emulation/xen-pvgrub-4.7.1-r1"

References

[ 1 ] CVE-2016-10024 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-10024 [ 2 ] CVE-2016-9377 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9377 [ 3 ] CVE-2016-9378 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9378 [ 4 ] CVE-2016-9379 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9379 [ 5 ] CVE-2016-9380 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9380 [ 6 ] CVE-2016-9381 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9381 [ 7 ] CVE-2016-9382 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9382 [ 8 ] CVE-2016-9383 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9383 [ 9 ] CVE-2016-9384 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9384 [ 10 ] CVE-2016-9385 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9385 [ 11 ] CVE-2016-9386 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9386 [ 12 ] CVE-2016-9637 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9637 [ 13 ] CVE-2016-9815 http://nvd.nist.gov/nvd.cfm?cve...

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/201612-56
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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: Xen: Multiple vulnerabilities
Date: December 31, 2016
Bugs: #600382, #600662, #601248, #601250, #601986
ID: 201612-56

Topics%20covered

Topics Covered

security advisory denial of service gentoo code execution arbitrary code xen

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.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-emulation/xen < 4.7.1-r4 >= 4.7.1-r4 2 app-emulation/xen-tools < 4.7.1-r4 >= 4.7.1-r4 3 app-emulation/xen-pvgrub < 4.7.1-r1 >= 4.7.1-r1 ------------------------------------------------------------------- 3 affected packages

Impact

===== A local attacker could possibly execute arbitrary code with the privileges of the process, could 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.

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