CVE-2012-3494

Upstream information

CVE-2012-3494 at MITRE

Description

The set_debugreg hypercall in include/asm-x86/debugreg.h in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when running on x86-64 systems, allows local OS guest users to cause a denial of service (host crash) by writing to the reserved bits of the DR7 debug control register.

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SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores

	National Vulnerability Database
Base Score	2.1
Vector	AV:L/AC:L/Au:N/C:N/I:N/A:P
Access Vector	Local
Access Complexity	Low
Authentication	None
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	Partial

SUSE Bugzilla entry: 777090 [RESOLVED / FIXED]

SUSE Security Advisories:

• SUSE-SU-2012:1129-1, published Thu, 6 Sep 2012 22:08:33 +0200 (CEST)
• SUSE-SU-2012:1132-1, published Fri, 7 Sep 2012 15:08:36 +0200 (CEST)
• SUSE-SU-2012:1133-1, published Fri, 7 Sep 2012 16:08:25 +0200 (CEST)
• SUSE-SU-2012:1135-1, published Fri, 7 Sep 2012 20:08:40 +0200 (CEST)
• SUSE-SU-2012:1162-1, published Thu, 13 Sep 2012 22:08:30 +0200 (CEST)
• openSUSE-SU-2012:1172-1, published Fri, 14 Sep 2012 14:09:32 +0200 (CEST)
• openSUSE-SU-2012:1174-1, published Fri, 14 Sep 2012 14:12:18 +0200 (CEST)
• openSUSE-SU-2012:1176-1, published Fri, 14 Sep 2012 14:14:04 +0200 (CEST)
• openSUSE-SU-2012:1572-1, published Mon, 26 Nov 2012 15:08:36 +0100 (CET)
• openSUSE-SU-2012:1573-1, published Mon, 26 Nov 2012 15:13:15 +0100 (CET)

List of released packages

Product(s)	Fixed package version(s)	References
SUSE Linux Enterprise Desktop 11 SP2	vm-install >= 0.5.12-0.5.3 xen >= 4.1.3_02-0.5.1 xen-doc-html >= 4.1.3_02-0.5.1 xen-doc-pdf >= 4.1.3_02-0.5.1 xen-kmp-default >= 4.1.3_02_3.0.38_0.5-0.5.1 xen-kmp-trace >= 4.1.3_02_3.0.38_0.5-0.5.1 xen-libs >= 4.1.3_02-0.5.1 xen-libs-32bit >= 4.1.3_02-0.5.1 xen-tools >= 4.1.3_02-0.5.1 xen-tools-domU >= 4.1.3_02-0.5.1	Patchnames: sledsp2-xen-201209
SUSE Linux Enterprise Server 11 SP1-LTSS	xen >= 4.0.3_21548_10-0.5.1 xen-doc-html >= 4.0.3_21548_10-0.5.1 xen-doc-pdf >= 4.0.3_21548_10-0.5.1 xen-kmp-default >= 4.0.3_21548_10_2.6.32.59_0.7-0.5.1 xen-kmp-pae >= 4.0.3_21548_10_2.6.32.59_0.7-0.5.1 xen-kmp-trace >= 4.0.3_21548_10_2.6.32.59_0.7-0.5.1 xen-libs >= 4.0.3_21548_10-0.5.1 xen-tools >= 4.0.3_21548_10-0.5.1 xen-tools-domU >= 4.0.3_21548_10-0.5.1	Patchnames: slessp1-xen-201209
SUSE Linux Enterprise Server 11 SP2 SUSE Linux Enterprise Server for SAP Applications 11 SP2	vm-install >= 0.5.12-0.5.3 xen >= 4.1.3_02-0.5.1 xen-doc-html >= 4.1.3_02-0.5.1 xen-doc-pdf >= 4.1.3_02-0.5.1 xen-kmp-default >= 4.1.3_02_3.0.38_0.5-0.5.1 xen-kmp-trace >= 4.1.3_02_3.0.38_0.5-0.5.1 xen-libs >= 4.1.3_02-0.5.1 xen-libs-32bit >= 4.1.3_02-0.5.1 xen-tools >= 4.1.3_02-0.5.1 xen-tools-domU >= 4.1.3_02-0.5.1	Patchnames: slessp2-xen-201209
SUSE Linux Enterprise Server 11 SP3	xen >= 4.2.2_04-0.7.5 xen-doc-html >= 4.2.2_04-0.7.5 xen-doc-pdf >= 4.2.2_04-0.7.5 xen-kmp-default >= 4.2.2_04_3.0.76_0.11-0.7.5 xen-kmp-pae >= 4.2.2_04_3.0.76_0.11-0.7.5 xen-libs >= 4.2.2_04-0.7.5 xen-libs-32bit >= 4.2.2_04-0.7.5 xen-tools >= 4.2.2_04-0.7.5 xen-tools-domU >= 4.2.2_04-0.7.5
SUSE Linux Enterprise Server 11 SP4	xen >= 4.4.2_08-1.7 xen-doc-html >= 4.4.2_08-1.7 xen-kmp-default >= 4.4.2_08_3.0.101_63-1.7 xen-kmp-pae >= 4.4.2_08_3.0.101_63-1.7 xen-libs >= 4.4.2_08-1.7 xen-libs-32bit >= 4.4.2_08-1.7 xen-tools >= 4.4.2_08-1.7 xen-tools-domU >= 4.4.2_08-1.7
SUSE Linux Enterprise Server for VMWare 11 SP2	vm-install >= 0.5.12-0.5.1 xen >= 4.1.3_02-0.5.1 xen-doc-html >= 4.1.3_02-0.5.1 xen-doc-pdf >= 4.1.3_02-0.5.1 xen-kmp-default >= 4.1.3_02_3.0.38_0.5-0.5.1 xen-kmp-trace >= 4.1.3_02_3.0.38_0.5-0.5.1 xen-libs >= 4.1.3_02-0.5.1 xen-libs-32bit >= 4.1.3_02-0.5.1 xen-tools >= 4.1.3_02-0.5.1 xen-tools-domU >= 4.1.3_02-0.5.1	Patchnames: slessp2-xen-201209
SUSE Linux Enterprise Software Development Kit 11 SP2	xen-devel >= 4.1.3_02-0.5.1	Patchnames: sdksp2-xen-201209
SUSE Linux Enterprise Software Development Kit 11 SP4	xen-devel >= 4.4.2_08-1.7

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Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s)	Source package	State
SLED-10-SP3	xen	Released
SLED-10-SP4	xen	Released
SLES for SAP Applications	xen	Released
SLES-10-SP3	xen	Released
SLES-10-SP4	xen	Released
SLES_LTSS-10-SP4	xen	Released
SUSE Linux Enterprise Desktop 11 SP1	xen	Released
SUSE Linux Enterprise Desktop 11 SP2	xen	Released
SUSE Linux Enterprise Enterprise Server 11 SP1 for SAP Enterprise Search	xen	Released
SUSE Linux Enterprise Server 11 SP1	xen	Released
SUSE Linux Enterprise Server 11 SP1 LTSS	xen	Released
SUSE Linux Enterprise Server 11 SP2	xen	Released
SUSE Linux Enterprise Server 11 SP2 LTSS	xen	Released
SUSE Linux Enterprise Server 11 SP2 for VMware	xen	Released
SUSE Linux Enterprise Server for SAP Business All-in-One 11 SP1	xen	Released
SUSE Linux Enterprise Software Development Kit 11 SP1	xen	Released
SUSE Linux Enterprise Software Development Kit 11 SP2	xen	Released