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NVD Vulnerability Details :
CVE-2016-9386
Modified
More InfoOfficial Page
Source-cve@mitre.org
View Known Exploited Vulnerability (KEV) details
Published At-23 Jan, 2017 | 21:59
Updated At-13 May, 2026 | 00:24

The x86 emulator in Xen does not properly treat x86 NULL segments as unusable when accessing memory, which might allow local HVM guest users to gain privileges via vectors involving "unexpected" base/limit values.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.07.8HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary2.04.6MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P
Type: Primary
Version: 3.0
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 4.6
Base severity: MEDIUM
Vector:
AV:L/AC:L/Au:N/C:P/I:P/A:P
CPE Matches
Citrix (Cloud Software Group, Inc.)
citrix
>>xenserver>>6.0.2
cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:*
Citrix (Cloud Software Group, Inc.)
citrix
>>xenserver>>6.2.0
cpe:2.3:a:citrix:xenserver:6.2.0:*:*:*:*:*:*:*
Citrix (Cloud Software Group, Inc.)
citrix
>>xenserver>>6.5
cpe:2.3:a:citrix:xenserver:6.5:*:*:*:*:*:*:*
Citrix (Cloud Software Group, Inc.)
citrix
>>xenserver>>7.0
cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:*
Xen Project
xen
>>xen>>*
cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-264Primarynvd@nist.gov
CWE ID: CWE-264
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
http://www.securityfocus.com/bid/94471cve@mitre.org
Third Party Advisory
VDB Entry
http://www.securitytracker.com/id/1037340cve@mitre.org
Third Party Advisory
VDB Entry
http://xenbits.xen.org/xsa/advisory-191.htmlcve@mitre.org
Patch
Vendor Advisory
https://security.gentoo.org/glsa/201612-56cve@mitre.org
N/A
https://support.citrix.com/article/CTX218775cve@mitre.org
Patch
Third Party Advisory
http://www.securityfocus.com/bid/94471af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
VDB Entry
http://www.securitytracker.com/id/1037340af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
VDB Entry
http://xenbits.xen.org/xsa/advisory-191.htmlaf854a3a-2127-422b-91ae-364da2661108
Patch
Vendor Advisory
https://security.gentoo.org/glsa/201612-56af854a3a-2127-422b-91ae-364da2661108
N/A
https://support.citrix.com/article/CTX218775af854a3a-2127-422b-91ae-364da2661108
Patch
Third Party Advisory
Hyperlink: http://www.securityfocus.com/bid/94471
Source: cve@mitre.org
Resource:
Third Party Advisory
VDB Entry
Hyperlink: http://www.securitytracker.com/id/1037340
Source: cve@mitre.org
Resource:
Third Party Advisory
VDB Entry
Hyperlink: http://xenbits.xen.org/xsa/advisory-191.html
Source: cve@mitre.org
Resource:
Patch
Vendor Advisory
Hyperlink: https://security.gentoo.org/glsa/201612-56
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://support.citrix.com/article/CTX218775
Source: cve@mitre.org
Resource:
Patch
Third Party Advisory
Hyperlink: http://www.securityfocus.com/bid/94471
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory
VDB Entry
Hyperlink: http://www.securitytracker.com/id/1037340
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory
VDB Entry
Hyperlink: http://xenbits.xen.org/xsa/advisory-191.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Patch
Vendor Advisory
Hyperlink: https://security.gentoo.org/glsa/201612-56
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: https://support.citrix.com/article/CTX218775
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Patch
Third Party Advisory
Change History
0Changes found
Details not found