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-rw-r--r--SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.inf4
1 files changed, 4 insertions, 0 deletions
diff --git a/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.inf b/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.inf
index 279a9248e..1987764d8 100644
--- a/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.inf
+++ b/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.inf
@@ -13,6 +13,10 @@
# This driver will have external input - variable data and communicate buffer in SMM mode.
# This external input must be validated carefully to avoid security issues such as
# buffer overflow or integer overflow.
+# The whole SMM authentication variable design relies on the integrity of flash part and SMM.
+# which is assumed to be protected by platform. All variable code and metadata in flash/SMM Memory
+# may not be modified without authorization. If platform fails to protect these resources,
+# the authentication service provided in this driver will be broken, and the behavior is undefined.
#
# Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>
# This program and the accompanying materials