CVE - CVE-2012-3494

CVE-ID
CVE-2012-3494	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
The set_debugreg hypercall in include/asm-x86/debugreg.h in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when running on x86-64 systems, allows local OS guest users to cause a denial of service (host crash) by writing to the reserved bits of the DR7 debug control register.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:1027479 URL:http://www.securitytracker.com/id?1027479 MISC:50472 URL:http://secunia.com/advisories/50472 MISC:50530 URL:http://secunia.com/advisories/50530 MISC:51413 URL:http://secunia.com/advisories/51413 MISC:55082 URL:http://secunia.com/advisories/55082 MISC:55400 URL:http://www.securityfocus.com/bid/55400 MISC:85197 URL:~~http://osvdb.org/85197~~ (Obsolete source) MISC:DSA-2544 URL:http://www.debian.org/security/2012/dsa-2544 MISC:GLSA-201309-24 URL:http://security.gentoo.org/glsa/glsa-201309-24.xml MISC:GLSA-201604-03 URL:https://security.gentoo.org/glsa/201604-03 MISC:SUSE-SU-2012:1129 URL:http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00001.html MISC:SUSE-SU-2012:1132 URL:http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html MISC:SUSE-SU-2012:1133 URL:http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html MISC:SUSE-SU-2012:1135 URL:http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00005.html MISC:SUSE-SU-2012:1162 URL:http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.html MISC:[Xen-announce] 20120905 Xen Security Advisory 12 (CVE-2012-3494) - hypercall set_debugreg vulnerability URL:http://lists.xen.org/archives/html/xen-announce/2012-09/msg00000.html MISC:[oss-security] 20120905 Xen Security Advisory 12 (CVE-2012-3494) - hypercall set_debugreg vulnerability URL:http://www.openwall.com/lists/oss-security/2012/09/05/5 MISC:http://support.citrix.com/article/CTX134708 URL:http://support.citrix.com/article/CTX134708 MISC:http://wiki.xen.org/wiki/Security_Announcements#XSA-12_hypercall_set_debugreg_vulnerability URL:http://wiki.xen.org/wiki/Security_Announcements#XSA-12_hypercall_set_debugreg_vulnerability MISC:https://bugzilla.redhat.com/show_bug.cgi?id=851139 URL:https://bugzilla.redhat.com/show_bug.cgi?id=851139 MISC:openSUSE-SU-2012:1172 URL:http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html MISC:openSUSE-SU-2012:1174 URL:http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html MISC:openSUSE-SU-2012:1572 URL:http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html MISC:openSUSE-SU-2012:1573 URL:http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html MISC:xen-setdebugreg-dos(78265) URL:https://exchange.xforce.ibmcloud.com/vulnerabilities/78265
Assigning CNA
Red Hat, Inc.
Date Record Created
20120614	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20120614)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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