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Vulnerability Details : CVE-2011-2901

Off-by-one error in the __addr_ok macro in Xen 3.3 and earlier allows local 64 bit PV guest administrators to cause a denial of service (host crash) via unspecified hypercalls that ignore virtual-address bits.
Publish Date : 2013-10-01 Last Update Date : 2013-12-30
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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 Single system (The vulnerability requires an attacker to be logged into the system (such as at a command line or via a desktop session or web interface).)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 399

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
AV:A/AC:L/Au:S/C:N/I:N/A:C 2011-08-04 2011-08-30
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2011-2901 unix
DEPRECATED: ELSA-2011-1212 -- kernel security and bug fix update (important) oval:org.mitre.oval:def:27781 unix
ELSA-2011:1212: kernel security and bug fix update (Important) oval:org.mitre.oval:def:23293 unix
RHSA-2011:1212: kernel security and bug fix update (Important) oval:org.mitre.oval:def:21200 unix
RHSA-2011:1212: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20111212 unix
VMware ESXi and ESX updates to third party library and ESX Service Console oval:org.mitre.oval:def:20229 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-2011-2901

# Product Type Vendor Product Version Update Edition Language
1 OS XEN XEN 3.0.2 Version Details Vulnerabilities
2 OS XEN XEN 3.0.3 Version Details Vulnerabilities
3 OS XEN XEN 3.0.4 Version Details Vulnerabilities
4 OS XEN XEN 3.1.3 Version Details Vulnerabilities
5 OS XEN XEN 3.1.4 Version Details Vulnerabilities
6 OS XEN XEN 3.2.0 Version Details Vulnerabilities
7 OS XEN XEN 3.2.1 Version Details Vulnerabilities
8 OS XEN XEN 3.2.2 Version Details Vulnerabilities
9 OS XEN XEN 3.2.3 Version Details Vulnerabilities
10 OS XEN XEN 3.3.0 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions

- References For CVE-2011-2901 CONFIRM
GENTOO GLSA-201309-24
REDHAT RHSA-2011:1212
MLIST [oss-security] 20110902 Xen Security Advisory 4 (CVE-2011-2901) - Xen 3.3 vaddr validation

- Metasploit Modules Related To CVE-2011-2901

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

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