CVE-2016-7154

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.

• CWE-416

• 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

Published

Sep 21, 2016

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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