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RedhatCVELIST:CVE-2012-3516HistoryNov 23, 2012 - 8:00 p.m.
CVE-2012-3516
2012-11-2320:00:00
redhat
www.cve.org
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.
References
lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html
secunia.com/advisories/50472
secunia.com/advisories/50530
support.citrix.com/article/CTX134708
wiki.xen.org/wiki/Security_Announcements#XSA-18_grant_table_entry_swaps_have_inadequate_bounds_checking
www.openwall.com/lists/oss-security/2012/09/05/11
www.securityfocus.com/bid/55411
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