CVE-2012-3494
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2012-3494
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2012-3494.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2012-3494
- Downstream
- Published
- 2012-11-23T20:55:03Z
- Modified
- 2025-08-09T19:01:27Z
- Summary
- [none]
- Details
-
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
-
- http://secunia.com/advisories/50472
- http://secunia.com/advisories/50530
- http://secunia.com/advisories/51413
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://support.citrix.com/article/CTX134708
- http://www.debian.org/security/2012/dsa-2544
- https://security.gentoo.org/glsa/201604-03
- https://bugzilla.redhat.com/show_bug.cgi?id=851139
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00001.html
- 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/msg00005.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/msg00000.html
- http://osvdb.org/85197
- http://wiki.xen.org/wiki/Security_Announcements#XSA-12_hypercall_set_debugreg_vulnerability
- http://www.openwall.com/lists/oss-security/2012/09/05/5
- http://www.securityfocus.com/bid/55400
- http://www.securitytracker.com/id?1027479
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78265