CVEvulnerability
CVE-2012-3494
2.1 LOW
Official page ↗
- Status
- Modified
- Published
- 2012-11-23
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-264
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.
Affected configurations
• citrix xenserver (<= 6.0.2)
• xen xen 4.0.0
• xen xen 4.1.0
• xen xen 4.2.0
Related
Weakness · not in database (1)
References
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00001.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00005.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html lists.opensuse.org
- http://lists.xen.org/archives/html/xen-announce/2012-09/msg00000.html lists.xen.org
- http://osvdb.org/85197 osvdb.org
- http://secunia.com/advisories/50472 Vendor Advisory
- http://secunia.com/advisories/50530 Vendor Advisory
- http://secunia.com/advisories/51413 secunia.com
- http://secunia.com/advisories/55082 secunia.com
- http://security.gentoo.org/glsa/glsa-201309-24.xml security.gentoo.org
- http://support.citrix.com/article/CTX134708 Patch, Vendor Advisory
- http://wiki.xen.org/wiki/Security_Announcements#XSA-12_hypercall_set_debugreg_vulnerability wiki.xen.org
- http://www.debian.org/security/2012/dsa-2544 www.debian.org
- http://www.openwall.com/lists/oss-security/2012/09/05/5 www.openwall.com
- http://www.securityfocus.com/bid/55400 www.securityfocus.com
- http://www.securitytracker.com/id?1027479 www.securitytracker.com
- https://bugzilla.redhat.com/show_bug.cgi?id=851139 bugzilla.redhat.com
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78265 exchange.xforce.ibmcloud.com
- https://security.gentoo.org/glsa/201604-03 security.gentoo.org
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00001.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00005.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html lists.opensuse.org
- http://lists.xen.org/archives/html/xen-announce/2012-09/msg00000.html lists.xen.org
- http://osvdb.org/85197 osvdb.org
- http://secunia.com/advisories/50472 Vendor Advisory
- http://secunia.com/advisories/50530 Vendor Advisory
- http://secunia.com/advisories/51413 secunia.com
- http://secunia.com/advisories/55082 secunia.com
- http://security.gentoo.org/glsa/glsa-201309-24.xml security.gentoo.org
- http://support.citrix.com/article/CTX134708 Patch, Vendor Advisory
- http://wiki.xen.org/wiki/Security_Announcements#XSA-12_hypercall_set_debugreg_vulnerability wiki.xen.org
- http://www.debian.org/security/2012/dsa-2544 www.debian.org
- http://www.openwall.com/lists/oss-security/2012/09/05/5 www.openwall.com
- http://www.securityfocus.com/bid/55400 www.securityfocus.com
- http://www.securitytracker.com/id?1027479 www.securitytracker.com
- https://bugzilla.redhat.com/show_bug.cgi?id=851139 bugzilla.redhat.com
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78265 exchange.xforce.ibmcloud.com
- https://security.gentoo.org/glsa/201604-03 security.gentoo.org