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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2014-7155 Detail

Description

The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service (guest crash) or gain guest kernel mode privileges via vectors involving an (1) HLT, (2) LGDT, (3) LIDT, or (4) LMSW instruction.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.html CVE, MITRE Third Party Advisory 
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.html CVE, MITRE Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html CVE, MITRE Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html CVE, MITRE Third Party Advisory 
http://secunia.com/advisories/61858 CVE, MITRE
http://secunia.com/advisories/61890 CVE, MITRE
http://security.gentoo.org/glsa/glsa-201412-42.xml CVE, MITRE
http://support.citrix.com/article/CTX200218 CVE, MITRE Third Party Advisory 
http://www.debian.org/security/2014/dsa-3041 CVE, MITRE Third Party Advisory 
http://www.securityfocus.com/bid/70057 CVE, MITRE Third Party Advisory  VDB Entry 
http://www.securitytracker.com/id/1030888 CVE, MITRE Third Party Advisory  VDB Entry 
http://xenbits.xen.org/xsa/advisory-105.html CVE, MITRE Patch  Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-264 Permissions, Privileges, and Access Controls cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

13 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2014-7155
NVD Published Date:
10/02/2014
NVD Last Modified:
04/12/2025
Source:
MITRE