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CVE-2012-3516

CVE-2012-3516

EPSS 0.4%
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.
Produtos afetados
n/a · n/a

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Referências
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.htmlhttp://secunia.com/advisories/50472http://secunia.com/advisories/50530http://support.citrix.com/article/CTX134708http://wiki.xen.org/wiki/Security_Announcements#XSA-18_grant_table_entry_swaps_have_inadequate_bounds_checkinghttp://www.openwall.com/lists/oss-security/2012/09/05/11http://www.securityfocus.com/bid/55411