National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2014-5146 Detail

Description

Certain MMU virtualization operations in Xen 4.2.x through 4.4.x before the xsa97-hap patch, when using Hardware Assisted Paging (HAP), are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5149.

Source:  MITRE      Last Modified:  08/22/2014

Quick Info

CVE Dictionary Entry:
CVE-2014-5146
Original release date:
08/22/2014
Last revised:
08/28/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
4.7 MEDIUM
Vector:
(AV:L/AC:M/Au:N/C:N/I:N/A:C) (legend)
Impact Subscore:
6.9
Exploitability Subscore:
3.4
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Medium
Authentication:
Not required to exploit
Impact Type:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136980.html External Source FEDORA FEDORA-2014-9472
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136981.html External Source FEDORA FEDORA-2014-9493
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html Third Party Advisory External Source SUSE openSUSE-SU-2015:0226
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html Third Party Advisory External Source SUSE openSUSE-SU-2015:0256
http://www.securityfocus.com/bid/69198 Third Party Advisory; VDB Entry External Source BID 69198
http://www.securitytracker.com/id/1030723 Third Party Advisory; VDB Entry External Source SECTRACK 1030723
http://xenbits.xen.org/xsa/advisory-97.html Patch; Vendor Advisory External Source CONFIRM http://xenbits.xen.org/xsa/advisory-97.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/95234 External Source XF xen-cve20145146-dos(95234)
https://security.gentoo.org/glsa/201504-04 External Source GENTOO GLSA-201504-04

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Change History 7 change records found - show changes