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Last updated: 8/27/2014 6:57:16 AM

CVE Publication rate: 14.47

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National Cyber Awareness System

Vulnerability Summary for CVE-2014-2599

Original release date: 03/28/2014
Last revised: 03/31/2014
Source: US-CERT/NIST

Overview

The HVMOP_set_mem_access HVM control operations in Xen 4.1.x for 32-bit and 4.1.x through 4.4.x for 64-bit allow local guest administrators to cause a denial of service (CPU consumption) by leveraging access to certain service domains for HVM guests and a large input.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.9 (MEDIUM) (AV:L/AC:L/Au:N/C:N/I:N/A:C) (legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: BID
Name: 66407
External Source: SECTRACK
Name: 1029956
External Source: CONFIRM
Name: http://xenbits.xen.org/xsa/advisory-89.html
Type: Advisory; Patch Information
External Source: MLIST
Name: [oss-security] 20140325 Xen Security Advisory 89 - HVMOP_set_mem_access is not preemptible
External Source: MLIST
Name: [oss-security] 20140325 Re: Xen Security Advisory 89 - HVMOP_set_mem_access is not preemptible

Technical Details

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