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Vulnerability Details : CVE-2014-7188

The 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.
Publish Date : 2014-10-02 Last Update Date : 2018-10-30
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 399

- Related OVAL Definitions

Title Definition Id Class Family
DSA-3041-1 xen - security update oval:org.mitre.oval:def:26783 unix
SUSE-SU-2014:1318-1 -- Security update for Xen (moderate) oval:org.mitre.oval:def:28083 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2014-7188

# Product Type Vendor Product Version Update Edition Language
1 OS XEN XEN 4.1.0 * * * Version Details Vulnerabilities
2 OS XEN XEN 4.1.1 * * * Version Details Vulnerabilities
3 OS XEN XEN 4.1.2 * * * Version Details Vulnerabilities
4 OS XEN XEN 4.1.3 * * * Version Details Vulnerabilities
5 OS XEN XEN 4.1.4 * * * Version Details Vulnerabilities
6 OS XEN XEN 4.1.5 * * * Version Details Vulnerabilities
7 OS XEN XEN * * * Version Details Vulnerabilities
8 OS XEN XEN 4.2.0 * * * Version Details Vulnerabilities
9 OS XEN XEN 4.2.1 * * * Version Details Vulnerabilities
10 OS XEN XEN 4.2.2 * * * Version Details Vulnerabilities
11 OS XEN XEN 4.2.3 * * * Version Details Vulnerabilities
12 OS XEN XEN 4.3.0 * * * Version Details Vulnerabilities
13 OS XEN XEN 4.3.1 * * * Version Details Vulnerabilities
14 OS XEN XEN 4.4.0 * * * Version Details Vulnerabilities
15 OS XEN XEN 4.4.0 RC1 * * Version Details Vulnerabilities
16 OS XEN XEN 4.4.1 - * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions

- References For CVE-2014-7188
FEDORA FEDORA-2014-12002
FEDORA FEDORA-2014-12000
SUSE openSUSE-SU-2014:1281
GENTOO GLSA-201412-42
SUSE openSUSE-SU-2014:1279
SECTRACK 1030936
BID 70198 Xen CVE-2014-7188 Denial of Service Vulnerability Release Date:2015-09-17
XF xen-cve20147188-dos(96785)

- Metasploit Modules Related To CVE-2014-7188

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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