CVE-2017-12136

Race condition in the grant table code in Xen 4.6.x through 4.9.x allows local guest OS administrators to cause a denial of service (free list corruption and host crash) or gain privileges on the host via vectors involving maptrack free list handling.

• CWE-362

• http://www.debian.org/security/2017/dsa-3969Third Party Advisory
• http://www.openwall.com/lists/oss-security/2017/08/15/3Mailing List, Patch, Third Party Advisory
• http://www.securityfocus.com/bid/100346Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1039175Third Party Advisory, VDB Entry
• http://xenbits.xen.org/xsa/advisory-228.htmlPatch, Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1477651Issue Tracking, Patch, Third Party Advisory
• https://security.gentoo.org/glsa/201801-14Third Party Advisory
• https://support.citrix.com/article/CTX225941Patch, Third Party Advisory
• http://www.debian.org/security/2017/dsa-3969Third Party Advisory
• http://www.openwall.com/lists/oss-security/2017/08/15/3Mailing List, Patch, Third Party Advisory
• http://www.securityfocus.com/bid/100346Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1039175Third Party Advisory, VDB Entry
• http://xenbits.xen.org/xsa/advisory-228.htmlPatch, Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1477651Issue Tracking, Patch, Third Party Advisory
• https://security.gentoo.org/glsa/201801-14Third Party Advisory
• https://support.citrix.com/article/CTX225941Patch, Third Party Advisory

Published

Aug 24, 2017

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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