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Gentoo: GLSA-202310-04 Normal: Network Traffic Exploitation Vulnerabilities

gentoo
Calendar Grey April 5, 2016
Dist Gentoo Esm H88
A critical flaw in Xen could enable Denial of Service attacks. It's essential to patch your systems immediately to safeguard operations.
Multiple vulnerabilities have been found in Xen, the worst of which cause a Denial of Service.

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 security issues normal severity xen

Resolution

All Xen 4.5 users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.5.2-r5"
All Xen 4.6 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.6.0-r9"
All Xen tools 4.5 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot -v ">=app-emulation/xen-tools-4.5.2-r5"
All Xen tools 4.6 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot -v ">=app-emulation/xen-tools-4.6.0-r9"
All Xen pvgrub users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=app-emulation/xen-pvgrub-4.6.0"

References

[ 1 ] CVE-2012-3494 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3494 [ 2 ] CVE-2012-3495 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3495 [ 3 ] CVE-2012-3496 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3496 [ 4 ] CVE-2012-3497 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3497 [ 5 ] CVE-2012-3498 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3498 [ 6 ] CVE-2012-3515 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3515 [ 7 ] CVE-2012-4411 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4411 [ 8 ] CVE-2012-4535 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4535 [ 9 ] CVE-2012-4536 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4536 [ 10 ] CVE-2012-4537 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4537 [ 11 ] CVE-2012-4538 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4538 [ 12 ] CVE-2012-4539 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4539 [ 13 ] CVE-2012-6030 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/201604-03
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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: April 05, 2016
Bugs: #445254, #513832, #547202, #549200, #549950, #550658,
ID: 201604-03

Topics%20covered

Topics Covered

security advisory denial of service gentoo security issues normal severity xen

Synopsis

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

Background

Xen is a bare-metal hypervisor.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-emulation/xen < 4.6.0-r9 >= 4.6.0-r9 *>= 4.5.2-r5 2 app-emulation/xen-pvgrub < 4.6.0 Vulnerable! 3 app-emulation/xen-tools < 4.6.0-r9 >= 4.6.0-r9 *>= 4.5.2-r5 4 app-emulation/pvgrub >= 4.6.0 *>= 4.5.2 ------------------------------------------------------------------- NOTE: Certain packages are still vulnerable. Users should migrate to another package if one is available or wait for the existing packages to be marked stable by their architecture maintainers. ------------------------------------------------------------------- 4 affected packages

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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