CVE-2016-7154

6.7 MEDIUM
Published: September 21, 2016 Modified: May 06, 2026
View on NVD

Description

Use-after-free vulnerability in the FIFO event channel code in Xen 4.4.x allows local guest OS administrators to cause a denial of service (host crash) and possibly execute arbitrary code or obtain sensitive information via an invalid guest frame number.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://support.citrix.com/article/CTX216071
Source: cve@mitre.org
Third Party Advisory
http://www.c7zero.info/stuff/csw2017_ExploringYourSystemDeeper_updated.pdf
Source: cve@mitre.org
http://www.debian.org/security/2016/dsa-3663
Source: cve@mitre.org
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
Source: cve@mitre.org
http://www.securityfocus.com/bid/92863
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1036754
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://xenbits.xen.org/xsa/advisory-188.html
Source: cve@mitre.org
Patch Vendor Advisory
http://xenbits.xen.org/xsa/xsa188.patch
Source: cve@mitre.org
Patch
http://support.citrix.com/article/CTX216071
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.c7zero.info/stuff/csw2017_ExploringYourSystemDeeper_updated.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2016/dsa-3663
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/92863
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1036754
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://xenbits.xen.org/xsa/advisory-188.html
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
http://xenbits.xen.org/xsa/xsa188.patch
Source: af854a3a-2127-422b-91ae-364da2661108
Patch

16 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.7 / 10.0
EPSS (Exploit Probability)
0.1%
27th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-416

Affected Vendors

xen

Related CVEs

CVE-2026-8086 5.3
CVE-2026-8084 3.3
CVE-2026-8083 7.3
CVE-2026-44742 7.2
CVE-2026-44244 7.8