CVE-2016-7094

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Summary

CVECVE-2016-7094
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-09-21 14:25:25 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionBuffer overflow in Xen 4.7.x and earlier allows local x86 HVM guest OS administrators on guests running with shadow paging to cause a denial of service via a pagetable update.

Risk And Classification

Primary CVSS: v3.0 4.1 MEDIUM from [email protected]

CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.000700000 probability, percentile 0.211200000 (date 2026-05-06)

Problem Types: CWE-119 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary4.1MEDIUMCVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
2.0[email protected]Primary1.5AV:L/AC:M/Au:S/C:N/I:N/A:P

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Medium
Authentication
Single
Confidentiality
None
Integrity
None
Availability
Partial

AV:L/AC:M/Au:S/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Xen Xen All All All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
Oracle VM Server for x86 Bulletin - July 2016 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com
Citrix XenServer Multiple Security Updates af854a3a-2127-422b-91ae-364da2661108 support.citrix.com Third Party Advisory
Xen 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 Third Party Advisory, VDB Entry
Xen CVE-2016-7094 Local Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
Debian -- Security Information -- DSA-3663-1 xen af854a3a-2127-422b-91ae-364da2661108 www.debian.org
XSA-187 - Xen Security Advisories af854a3a-2127-422b-91ae-364da2661108 xenbits.xen.org Patch, Vendor Advisory
Xen: Multiple vulnerabilities (GLSA 201611-09) — Gentoo security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
xenbits.xen.org/xsa/xsa187-0001-x86-shadow-Avoid-overflowing-sh_ctxt-seg_reg.... af854a3a-2127-422b-91ae-364da2661108 xenbits.xen.org Patch, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 500808 Alpine Linux Security Update for xen
  • 504551 Alpine Linux Security Update for xen

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