CVE ID:	CVE-2012-3516
Description:	The GNTTABOP_swap_grant_ref sub-operation in the grant table hypercall in Xen 4.2 and Citrix XenServer 6.0.2 allows local guest kernels or administrators to cause a denial of service (host crash) and possibly gain privileges via a crafted grant reference that triggers a write to an arbitrary hypervisor memory location.
Test IDs:	1.3.6.1.4.1.25623.1.1.4.2012.1133.1
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2012-3516 50472 http://secunia.com/advisories/50472 50530 http://secunia.com/advisories/50530 55411 http://www.securityfocus.com/bid/55411 SUSE-SU-2012:1133 http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html [oss-security] 20120905 Xen Security Advisory 18 (CVE-2012-3516) - grant table entry swaps have inadequate bounds checking http://www.openwall.com/lists/oss-security/2012/09/05/11 http://support.citrix.com/article/CTX134708 http://support.citrix.com/article/CTX134708 http://wiki.xen.org/wiki/Security_Announcements#XSA-18_grant_table_entry_swaps_have_inadequate_bounds_checking http://wiki.xen.org/wiki/Security_Announcements#XSA-18_grant_table_entry_swaps_have_inadequate_bounds_checking