CVE-2012-3496

XENMEM_populate_physmap in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when translating paging mode is not used, allows local PV OS guest kernels to cause a denial of service (BUG triggered and host crash) via invalid flags such as MEMF_populate_on_demand.

• CWE-16

• http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html
• http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html
• http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.html
• http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html
• http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html
• http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
• http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
• http://lists.xen.org/archives/html/xen-announce/2012-09/msg00002.htmlVendor Advisory
• http://secunia.com/advisories/50472Vendor Advisory
• http://secunia.com/advisories/50530Vendor Advisory
• http://secunia.com/advisories/51413
• http://secunia.com/advisories/55082
• http://security.gentoo.org/glsa/glsa-201309-24.xml
• http://securitytracker.com/id?1027481
• http://support.citrix.com/article/CTX134708Patch, Vendor Advisory
• http://wiki.xen.org/wiki/Security_Announcements#XSA-14_XENMEM_populate_physmap_DoS_vulnerability
• http://www.debian.org/security/2012/dsa-2544
• http://www.openwall.com/lists/oss-security/2012/09/05/7
• http://www.osvdb.org/85200
• http://www.securityfocus.com/bid/55412
• https://bugzilla.redhat.com/show_bug.cgi?id=854590
• https://exchange.xforce.ibmcloud.com/vulnerabilities/78267
• https://security.gentoo.org/glsa/201604-03
• http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html
• http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html
• http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.html
• http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html
• http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html
• http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
• http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
• http://lists.xen.org/archives/html/xen-announce/2012-09/msg00002.htmlVendor Advisory
• http://secunia.com/advisories/50472Vendor Advisory
• http://secunia.com/advisories/50530Vendor Advisory
• http://secunia.com/advisories/51413
• http://secunia.com/advisories/55082
• http://security.gentoo.org/glsa/glsa-201309-24.xml
• http://securitytracker.com/id?1027481
• http://support.citrix.com/article/CTX134708Patch, Vendor Advisory
• http://wiki.xen.org/wiki/Security_Announcements#XSA-14_XENMEM_populate_physmap_DoS_vulnerability
• http://www.debian.org/security/2012/dsa-2544
• http://www.openwall.com/lists/oss-security/2012/09/05/7
• http://www.osvdb.org/85200
• http://www.securityfocus.com/bid/55412
• https://bugzilla.redhat.com/show_bug.cgi?id=854590
• https://exchange.xforce.ibmcloud.com/vulnerabilities/78267
• https://security.gentoo.org/glsa/201604-03

Published

Nov 23, 2012

Last Modified

Jun 16, 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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