CVE-2014-7155 Detail

Current 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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

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


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References to Advisories, Solutions, and Tools

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

Weakness Enumeration

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

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Change History

11 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2014-7155
NVD Published Date:
10/02/2014
NVD Last Modified:
10/30/2018
Source:
MITRE