From d65502601ef44e28f2a6a9bb4d8d58aaa921c381 Mon Sep 17 00:00:00 2001 From: oliviermartin Date: Mon, 12 Dec 2011 19:00:59 +0000 Subject: MdeModulePkg/Variable: Check if there is a NV Variable Storage header prior to use its attributes The Variable PEI and RuntimeDxe drivers were using the attribute 'HeaderLength' of EFI_FIRMWARE_VOLUME_HEADER without checking if a Firmware Volume Header was existing at the base address. In case the Firmware Volume Header does not exist or is corrupted, the attribute 'HeaderLength' is a non valid value that can lead to a non valid physical address when accessing produces an access error. Signed-off-by: oliviermartin Reviewed-by: niruiyu git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12836 6f19259b-4bc3-4df7-8a09-765794883524 --- MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.h | 1 + 1 file changed, 1 insertion(+) (limited to 'MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.h') diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.h b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.h index 22aa5004ca..76c6205978 100644 --- a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.h +++ b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.h @@ -37,6 +37,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. #include #include #include +#include #define VARIABLE_RECLAIM_THRESHOLD (1024) -- cgit v1.2.3