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CVE-2012-3494

CVE-2012-3494

EPSS 0.4%
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.
Productos afectados
n/a · n/a

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Referencias
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00001.htmlhttp://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.htmlhttp://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.htmlhttp://lists.opensuse.org/opensuse-security-announce/2012-09/msg00005.htmlhttp://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.htmlhttp://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.htmlhttp://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.htmlhttp://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.htmlhttp://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.htmlhttp://lists.xen.org/archives/html/xen-announce/2012-09/msg00000.htmlhttp://osvdb.org/85197https://bugzilla.redhat.com/show_bug.cgi?id=851139