Changeset 65788 in vbox

Timestamp:

Feb 14, 2017 4:37:35 PM (8 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

113514

Message:

IEM: Take 'sys' access into account when checking for read-only pages.

File:

• trunk/src/VBox/VMM/VMMAll/IEMAll.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMAll/IEMAll.cpp

@@ -7631 +7631 @@
         if (   (fAccess & IEM_ACCESS_TYPE_WRITE)
             && !(fFlags & X86_PTE_RW)
-            && (   pVCpu->iem.s.uCpl == 3
+            && (       (pVCpu->iem.s.uCpl == 3
+                    && !(fAccess & IEM_ACCESS_WHAT_SYS))
                 || (IEM_GET_CTX(pVCpu)->cr0 & X86_CR0_WP)))
         {