National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-7970 Detail

Description

The p2m_pod_emergency_sweep function in arch/x86/mm/p2m-pod.c in Xen 3.4.x, 3.5.x, and 3.6.x is not preemptible, which allows local x86 HVM guest administrators to cause a denial of service (CPU consumption and possibly reboot) via crafted memory contents that triggers a "time-consuming linear scan," related to Populate-on-Demand.

Source:  MITRE
Description Last Modified:  10/30/2015

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.9 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html
http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html
http://support.citrix.com/article/CTX202404
http://www.debian.org/security/2015/dsa-3414
http://www.securityfocus.com/bid/77362
http://www.securitytracker.com/id/1034034
http://xenbits.xen.org/xsa/advisory-150.html Vendor Advisory
https://security.gentoo.org/glsa/201604-03

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-7970
NVD Published Date:
10/30/2015
NVD Last Modified:
06/30/2017