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| author | Samer El-Haj-Mahmoud <elhaj@hp.com> | 2014-11-26 07:17:31 +0000 |
|---|---|---|
| committer | lzeng14 <lzeng14@Edk2> | 2014-11-26 07:17:31 +0000 |
| commit | 8cc87d32c65316a98a737bb887ba316b81f8bbf1 (patch) | |
| tree | 10145c54514733fd48b48e4ba0e8179f28845cdb /MdeModulePkg/Universal/PCD | |
| parent | 42645c3dcf0488c616422dcdfd1596939223f432 (diff) | |
| download | edk2-8cc87d32c65316a98a737bb887ba316b81f8bbf1.tar.gz edk2-8cc87d32c65316a98a737bb887ba316b81f8bbf1.tar.bz2 edk2-8cc87d32c65316a98a737bb887ba316b81f8bbf1.zip | |
Fix an issue in the PCD service to prevent potential out of bound array access
that can cause an exception. mPeiExMapppingTableSize is the table size, but the
code needs to check the entry number.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Samer El-Haj-Mahmoud <elhaj@hp.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16448 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Universal/PCD')
| -rw-r--r-- | MdeModulePkg/Universal/PCD/Dxe/Service.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/MdeModulePkg/Universal/PCD/Dxe/Service.c b/MdeModulePkg/Universal/PCD/Dxe/Service.c index 4cbf6dd209..13f4d9c5e9 100644 --- a/MdeModulePkg/Universal/PCD/Dxe/Service.c +++ b/MdeModulePkg/Universal/PCD/Dxe/Service.c @@ -1,6 +1,7 @@ /** @file
Help functions used by PCD DXE driver.
+Copyright (c) 2014, Hewlett-Packard Development Company, L.P.<BR>
Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
@@ -1508,7 +1509,7 @@ GetExPcdTokenNumber ( MatchGuidIdx = MatchGuid - GuidTable;
- for (Index = 0; Index < mPeiExMapppingTableSize; Index++) {
+ for (Index = 0; Index < mPcdDatabase.PeiDb->ExTokenCount; Index++) {
if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&
(MatchGuidIdx == ExMap[Index].ExGuidIndex)) {
return ExMap[Index].TokenNumber;
@@ -1529,7 +1530,7 @@ GetExPcdTokenNumber ( MatchGuidIdx = MatchGuid - GuidTable;
- for (Index = 0; Index < mDxeExMapppingTableSize; Index++) {
+ for (Index = 0; Index < mPcdDatabase.DxeDb->ExTokenCount; Index++) {
if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&
(MatchGuidIdx == ExMap[Index].ExGuidIndex)) {
return ExMap[Index].TokenNumber;
|