CVE-2015-7970

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Summary

CVECVE-2015-7970
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2015-10-30 15:59:06 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v2.0 4.9 from [email protected]

AV:L/AC:L/Au:N/C:N/I:N/A:C

Problem Types: CWE-399 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

AV:L/AC:L/Au:N/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Xen Xen 3.4.0 All All All
Operating System Xen Xen 3.4.1 All All All
Operating System Xen Xen 3.4.2 All All All
Operating System Xen Xen 3.4.3 All All All
Operating System Xen Xen 3.4.4 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
[SECURITY] Fedora 21 Update: xen-4.4.3-7.fc21 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
XSA-150 - Xen Security Advisories af854a3a-2127-422b-91ae-364da2661108 xenbits.xen.org Vendor Advisory
openSUSE-SU-2015:2250-1: moderate: Security update for xen af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
[SECURITY] Fedora 22 Update: xen-4.5.1-14.fc22 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
[SECURITY] Fedora 23 Update: xen-4.5.1-14.fc23 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
404 - Page not found af854a3a-2127-422b-91ae-364da2661108 support.citrix.com
Debian -- Security Information -- DSA-3414-1 xen af854a3a-2127-422b-91ae-364da2661108 www.debian.org
Xen Populate-on-Demand Mode Memory Error Lets Local Users on a Guest System Cause Denial of Service Conditions on the Host System - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
Xen CVE-2015-7970 Local Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Xen: Multiple vulnerabilities (GLSA 201604-03) — Gentoo Security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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