CVE-2016-7154

MediumCVSS 6.7/10Last modified Jun 17, 2026

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

CVSS 3.0 6.7/10CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

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
NVD status: Modified

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