CVE-2016-7154

Name: CVE-2016-7154
Creator: NVD / NIST
Published: 2016-09-21T14:25:27.16+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.50%

Last modified Jun 17, 2026

CVE-2016-7154 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

0.50%

39.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Xen	Xen	4.4.0
Xen	Xen	4.4.1
Xen	Xen	4.4.2
Xen	Xen	4.4.3
Xen	Xen	4.4.4

References

http://support.citrix.com/article/CTX216071Third Party Advisory
http://www.c7zero.info/stuff/csw2017_ExploringYourSystemDeeper_updated.pdf
http://www.debian.org/security/2016/dsa-3663
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://www.securityfocus.com/bid/92863Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1036754Third Party Advisory, VDB Entry
http://xenbits.xen.org/xsa/advisory-188.htmlPatch, Vendor Advisory
http://xenbits.xen.org/xsa/xsa188.patchPatch
http://support.citrix.com/article/CTX216071Third Party Advisory
http://www.c7zero.info/stuff/csw2017_ExploringYourSystemDeeper_updated.pdf
http://www.debian.org/security/2016/dsa-3663
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://www.securityfocus.com/bid/92863Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1036754Third Party Advisory, VDB Entry
http://xenbits.xen.org/xsa/advisory-188.htmlPatch, Vendor Advisory
http://xenbits.xen.org/xsa/xsa188.patchPatch

Timeline

Published: Sep 21, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-7154?

How severe is CVE-2016-7154?

Severity scoring for CVE-2016-7154 is pending analysis. The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.

How do I fix CVE-2016-7154?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-7154?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST