Add comment for modules which have external input.

[mirror_edk2.git] / SecurityPkg / VariableAuthenticated / RuntimeDxe / VariableSmm.inf

diff --git a/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.inf b/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.inf
index cb9787df9c06e951bc6a9f29ed82300ff2293ca9..a6343dbbbdef0f500060fa70e75bf406b809e170 100644 (file)
--- a/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.inf
+++ b/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.inf
@@ -9,6 +9,11 @@
 #  SMM Runtime DXE module would install variable arch protocol and variable\r
 #  write arch protocol based on SMM variable module.\r
 #\r
+#  Caution: This module requires additional review when modified.\r
+#  This driver will have external input - variable data and communicate buffer in SMM mode.\r
+#  This external input must be validated carefully to avoid security issue like\r
+#  buffer overflow, integer overflow.\r
+#\r
 # Copyright (c) 2010 - 2012, Intel Corporation. All rights reserved.<BR>\r
 # This program and the accompanying materials\r
 # are licensed and made available under the terms and conditions of the BSD License\r