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Vulnerability Details : CVE-2016-6259

Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention (SMAP) whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial of service (hypervisor and VM crash) by triggering a safety check.
Publish Date : 2016-08-02 Last Update Date : 2016-08-04
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
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

- Products Affected By CVE-2016-6259

# Product Type Vendor Product Version Update Edition Language
1 Application Citrix Xenserver 6.0 * * * Version Details Vulnerabilities
2 Application Citrix Xenserver 6.0.2 * * * Version Details Vulnerabilities
3 Application Citrix Xenserver 6.1 * * * Version Details Vulnerabilities
4 Application Citrix Xenserver 6.2.0 SP1 * * Version Details Vulnerabilities
5 Application Citrix Xenserver 6.5.0 SP1 * * Version Details Vulnerabilities
6 Application Citrix Xenserver 7.0 * * * Version Details Vulnerabilities
7 OS XEN XEN 4.5.0 * * * Version Details Vulnerabilities
8 OS XEN XEN 4.5.1 * * * Version Details Vulnerabilities
9 OS XEN XEN 4.5.2 * * * Version Details Vulnerabilities
10 OS XEN XEN 4.5.3 * * * Version Details Vulnerabilities
11 OS XEN XEN 4.6.0 * * * Version Details Vulnerabilities
12 OS XEN XEN 4.6.1 * * * Version Details Vulnerabilities
13 OS XEN XEN 4.6.3 * * * Version Details Vulnerabilities
14 OS XEN XEN 4.7.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Citrix Xenserver 6

- References For CVE-2016-6259
SECTRACK 1036447
BID 92130 Xen CVE-2016-6259 Denial of Service Vulnerability Release Date:2016-07-27 CONFIRM CONFIRM CONFIRM CONFIRM

- Metasploit Modules Related To CVE-2016-6259

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

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