Bug 1032207 (CVE-2013-6367)

Summary:	CVE-2013-6367 kvm: division by zero in apic_get_tmcct()
Product:	[Other] Security Response	Reporter:	Petr Matousek <pmatouse>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	agordeev, anton, aquini, areis, cpelland, dhoward, ehabkost, fdeutsch, fhrbata, imammedo, jkurik, kernel-mgr, knoel, lwang, mkenneth, mst, mtosatti, pbonzini, pfrields, pholasek, rhod, security-response-team, sven
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2014-02-12 19:00:13 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1032212, 1032213, 1032216, 1032217, 1042081, 1042084, 1052132
Bug Blocks:	1030995

Description Petr Matousek 2013-11-19 17:34:02 UTC

Under guest controllable circumstances apic_get_tmcct will execute a divide by zero.

A privileged guest user could use this flaw to crash the host.

Acknowledgements:

Red Hat would like to thank Andrew Honig of Google for reporting this issue

Comment 1 Petr Matousek 2013-11-19 17:44:14 UTC

Statement:

This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise MRG 2 as they did not provide support for the KVM subsystem.

Comment 6 errata-xmlrpc 2013-12-12 19:04:26 UTC

This issue has been addressed in following products:

  RHEV-H and Agents for RHEL-6

Via RHSA-2013:1802 https://rhn.redhat.com/errata/RHSA-2013-1802.html

Comment 7 errata-xmlrpc 2013-12-12 19:26:04 UTC

This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2013:1801 https://rhn.redhat.com/errata/RHSA-2013-1801.html

Comment 9 Petr Matousek 2013-12-12 20:53:30 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1042081]

Comment 10 Fedora Update System 2013-12-21 02:14:35 UTC

kernel-3.12.5-200.fc19 has been pushed to the Fedora 19 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 11 Fedora Update System 2013-12-21 02:24:25 UTC

kernel-3.12.5-302.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 13 errata-xmlrpc 2014-02-12 18:24:57 UTC

This issue has been addressed in following products:

  Red Hat Enterprise Linux 5

Via RHSA-2014:0163 https://rhn.redhat.com/errata/RHSA-2014-0163.html

Comment 14 errata-xmlrpc 2014-03-11 17:08:22 UTC

This issue has been addressed in following products:

  Red Hat Enterprise Linux 6.4 EUS - Server and Compute Node Only

Via RHSA-2014:0284 https://rhn.redhat.com/errata/RHSA-2014-0284.html