National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2012-4538 Detail

Current Description

The HVMOP_pagetable_dying hypercall in Xen 4.0, 4.1, and 4.2 does not properly check the pagetable state when running on shadow pagetables, which allows a local HVM guest OS to cause a denial of service (hypervisor crash) via unspecified vectors.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.9 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
http://lists.xen.org/archives/html/xen-announce/2012-11/msg00004.html Vendor Advisory
http://security.gentoo.org/glsa/glsa-201309-24.xml
http://www.debian.org/security/2012/dsa-2582
http://www.openwall.com/lists/oss-security/2012/11/13/3
http://www.securityfocus.com/bid/56498
http://www.securitytracker.com/id?1027762
https://exchange.xforce.ibmcloud.com/vulnerabilities/80025
https://security.gentoo.org/glsa/201604-03

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2012-4538
NVD Published Date:
11/24/2012
NVD Last Modified:
08/28/2017