diff --git a/reactos/ntoskrnl/mm/ARM3/section.c b/reactos/ntoskrnl/mm/ARM3/section.c
index d5c33291042..c1a6dfe343b 100644
--- a/reactos/ntoskrnl/mm/ARM3/section.c
+++ b/reactos/ntoskrnl/mm/ARM3/section.c
@@ -29,6 +29,18 @@ ACCESS_MASK MmMakeSectionAccess[8] =
     SECTION_MAP_EXECUTE | SECTION_MAP_READ
 };
 
+ACCESS_MASK MmMakeFileAccess[8] =
+{
+    FILE_READ_DATA,
+    FILE_READ_DATA,
+    FILE_EXECUTE,
+    FILE_EXECUTE | FILE_READ_DATA,
+    FILE_WRITE_DATA | FILE_READ_DATA,
+    FILE_READ_DATA,
+    FILE_EXECUTE | FILE_WRITE_DATA | FILE_READ_DATA,
+    FILE_EXECUTE | FILE_READ_DATA
+};
+
 CHAR MmUserProtectionToMask1[16] =
 {
     0,
@@ -73,6 +85,24 @@ MMSESSION MmSession;
 
 /* PRIVATE FUNCTIONS **********************************************************/
 
+ACCESS_MASK
+NTAPI
+MiArm3GetCorrectFileAccessMask(IN ACCESS_MASK SectionPageProtection)
+{
+    ULONG ProtectionMask;
+
+    /* Calculate the protection mask and make sure it's valid */
+    ProtectionMask = MiMakeProtectionMask(SectionPageProtection);
+    if (ProtectionMask == MM_INVALID_PROTECTION)
+    {
+        DPRINT1("Invalid protection mask\n");
+        return STATUS_INVALID_PAGE_PROTECTION;
+    }
+
+    /* Now convert it to the required file access */
+    return MmMakeFileAccess[ProtectionMask & 0x7];
+}
+
 ULONG
 NTAPI
 MiMakeProtectionMask(IN ULONG Protect)
diff --git a/reactos/ntoskrnl/mm/section.c b/reactos/ntoskrnl/mm/section.c
index 71eef6cf33f..bde920327c8 100644
--- a/reactos/ntoskrnl/mm/section.c
+++ b/reactos/ntoskrnl/mm/section.c
@@ -150,6 +150,7 @@ static ULONG SectionCharacteristicsToProtect[16] =
     PAGE_EXECUTE_READWRITE, /* 15 = WRITABLE, READABLE, EXECUTABLE, SHARED */
 };
 
+ACCESS_MASK NTAPI MiArm3GetCorrectFileAccessMask(IN ACCESS_MASK SectionPageProtection);
 static GENERIC_MAPPING MmpSectionMapping = {
          STANDARD_RIGHTS_READ | SECTION_MAP_READ | SECTION_QUERY,
          STANDARD_RIGHTS_WRITE | SECTION_MAP_WRITE,
@@ -3011,23 +3012,11 @@ MmCreateDataFileSection(PROS_SECTION_OBJECT *SectionObject,
    Section->SectionPageProtection = SectionPageProtection;
    Section->AllocationAttributes = AllocationAttributes;
 
-   /*
-    * Check file access required
-    */
-   if (SectionPageProtection & PAGE_READWRITE ||
-         SectionPageProtection & PAGE_EXECUTE_READWRITE)
-   {
-      FileAccess = FILE_READ_DATA | FILE_WRITE_DATA;
-   }
-   else
-   {
-      FileAccess = FILE_READ_DATA;
-   }
-
    /*
     * Reference the file handle
     */
-   Status = ObReferenceObjectByHandle(FileHandle,
+    FileAccess = MiArm3GetCorrectFileAccessMask(SectionPageProtection);
+    Status = ObReferenceObjectByHandle(FileHandle,
                                       FileAccess,
                                       IoFileObjectType,
                                       ExGetPreviousMode(),
@@ -3881,23 +3870,11 @@ MmCreateImageSection(PROS_SECTION_OBJECT *SectionObject,
    ULONG i;
    ULONG FileAccess = 0;
 
-   /*
-    * Check file access required
-    */
-   if (SectionPageProtection & PAGE_READWRITE ||
-         SectionPageProtection & PAGE_EXECUTE_READWRITE)
-   {
-      FileAccess = FILE_READ_DATA | FILE_WRITE_DATA;
-   }
-   else
-   {
-      FileAccess = FILE_READ_DATA;
-   }
-
    /*
     * Reference the file handle
     */
-   Status = ObReferenceObjectByHandle(FileHandle,
+    FileAccess = MiArm3GetCorrectFileAccessMask(SectionPageProtection);
+    Status = ObReferenceObjectByHandle(FileHandle,
                                       FileAccess,
                                       IoFileObjectType,
                                       ExGetPreviousMode(),