CVE-2014-7188

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Summary

CVECVE-2014-7188
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2014-10-02 14:55:05 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe hvm_msr_read_intercept function in arch/x86/hvm/hvm.c in Xen 4.1 through 4.4.x uses an improper MSR range for x2APIC emulation, which allows local HVM guests to cause a denial of service (host crash) or read data from the hypervisor or other guests via unspecified vectors.

Risk And Classification

Primary CVSS: v2.0 8.3 from [email protected]

AV:A/AC:L/Au:N/C:C/I:C/A:C

Problem Types: CWE-399 | n/a

CVSS v2.0 Breakdown

Access Vector
Adjacent
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:A/AC:L/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Xen Xen 4.1.0 All All All
Operating System Xen Xen 4.1.1 All All All
Operating System Xen Xen 4.1.2 All All All
Operating System Xen Xen 4.1.3 All All All
Operating System Xen Xen 4.1.4 All All All
Operating System Xen Xen 4.1.5 All All All
Operating System Xen Xen 4.1.6.1 All All All
Operating System Xen Xen 4.2.0 All All All
Operating System Xen Xen 4.2.1 All All All
Operating System Xen Xen 4.2.2 All All All
Operating System Xen Xen 4.2.3 All All All
Operating System Xen Xen 4.3.0 All All All
Operating System Xen Xen 4.3.1 All All All
Operating System Xen Xen 4.4.0 All All All
Operating System Xen Xen 4.4.0 rc1 All All
Operating System Xen Xen 4.4.1 - All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
[security-announce] openSUSE-SU-2014:1281-1: important: xen: security an af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Malformed Request af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
www.c7zero.info/stuff/csw2017_ExploringYourSystemDeeper_updated.pdf af854a3a-2127-422b-91ae-364da2661108 www.c7zero.info
XSA-108 - Xen Security Advisories af854a3a-2127-422b-91ae-364da2661108 xenbits.xen.org Patch, Vendor Advisory
Security Advisory SA61664 - Xen x2APIC Emulation MSR Access Information Disclosure and Denial of Service Vulnerability - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Xen: Denial of Service (GLSA 201412-42) — Gentoo security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
Citrix XenServer Multiple Security Updates af854a3a-2127-422b-91ae-364da2661108 support.citrix.com
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
[SECURITY] Fedora 20 Update: xen-4.3.3-3.fc20 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
404 - Page not found af854a3a-2127-422b-91ae-364da2661108 support.citrix.com
Xen x2APIC Emulation Flaw Lets Local Guest Systems Obtain Data from Other Guest Systems or the Host System - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
Debian -- Security Information -- DSA-3041-1 xen af854a3a-2127-422b-91ae-364da2661108 www.debian.org
Security Advisory SA61890 - Gentoo update for xen - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
[security-announce] openSUSE-SU-2014:1279-1: important: xen: security an af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
[SECURITY] Fedora 19 Update: xen-4.2.5-3.fc19 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
[SECURITY] Fedora 21 Update: xen-4.4.1-6.fc21 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
Security Advisory SA61858 - Citrix XenServer Multiple Vulnerabilities - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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