Mission and Overview
NVD is the U.S. government repository of standards based vulnerability management data. This data enables automation of vulnerability management, security measurement, and compliance (e.g. FISMA).
Resource Status
NVD contains:

Last updated: 7/29/2014 11:25:06 PM

CVE Publication rate: 21.3

Email List

NVD provides four mailing lists to the public. For information and subscription instructions please visit NVD Mailing Lists

Workload Index
Vulnerability Workload Index: 7.8
About Us
NVD is a product of the NIST Computer Security Division and is sponsored by the Department of Homeland Security's National Cyber Security Division. It supports the U.S. government multi-agency (OSD, DHS, NSA, DISA, and NIST) Information Security Automation Program. It is the U.S. government content repository for the Security Content Automation Protocol (SCAP).

National Cyber Awareness System

Vulnerability Summary for CVE-2011-2519

Original release date: 12/26/2013
Last revised: 12/27/2013
Source: US-CERT/NIST

Overview

Xen in the Linux kernel, when running a guest on a host without hardware assisted paging (HAP), allows guest users to cause a denial of service (invalid pointer dereference and hypervisor crash) via the SAHF instruction.

Description

Per: http://cwe.mitre.org/data/definitions/476.html "CWE-476: NULL Pointer Dereference"

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.2 (MEDIUM) (AV:A/AC:M/Au:S/C:N/I:N/A:C) (legend)
Impact Subscore: 6.9
Exploitability Subscore: 4.4
CVSS Version 2 Metrics:
Access Vector: Local network exploitable
Access Complexity: Medium
Authentication: Required to exploit
Impact Type: Allows disruption of service

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

External Source: MLIST
Name: [oss-security] 20130830 kernel: CVE-2011-2482/2519
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=718882
External Source: MISC
Name: http://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644
Type: Patch Information; Exploit
External Source: REDHAT
Name: RHSA-2011:1212

Technical Details

Vulnerability Type (View All)