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openSUSE:Evergreen:Maintenance:114
xen.openSUSE_Evergreen_11.4
CVE-2012-3496-xsa14.patch
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File CVE-2012-3496-xsa14.patch of Package xen.openSUSE_Evergreen_11.4
xen: Don't BUG_ON() PoD operations on a non-translated guest. This is XSA-14 / CVE-2012-3496 Signed-off-by: Tim Deegan <tim@xen.org> Reviewed-by: Ian Campbell <ian.campbell@citrix.com> Tested-by: Ian Campbell <ian.campbell@citrix.com> Index: xen-4.0.3-testing/xen/arch/x86/mm/p2m.c =================================================================== --- xen-4.0.3-testing.orig/xen/arch/x86/mm/p2m.c +++ xen-4.0.3-testing/xen/arch/x86/mm/p2m.c @@ -2081,7 +2081,8 @@ guest_physmap_mark_populate_on_demand(st int pod_count = 0; int rc = 0; - BUG_ON(!paging_mode_translate(d)); + if ( !paging_mode_translate(d) ) + return -EINVAL; rc = gfn_check_limit(d, gfn, order); if ( rc != 0 )
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