Revision: 16494
http://sourceforge.net/p/edk2/code/16494
Author: czhang46
Date: 2014-12-10 08:21:05 +0000 (Wed, 10 Dec 2014)
Log Message:
-----------
Fix potential NULL pointer dereference issue in TcgDxe & TreeDxe.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chao Zhang <[email protected]>
Reviewed-by: Guo Dong <[email protected]>
Modified Paths:
--------------
trunk/edk2/SecurityPkg/Tcg/TcgDxe/TcgDxe.c
trunk/edk2/SecurityPkg/Tcg/TrEEDxe/TrEEDxe.c
Modified: trunk/edk2/SecurityPkg/Tcg/TcgDxe/TcgDxe.c
===================================================================
--- trunk/edk2/SecurityPkg/Tcg/TcgDxe/TcgDxe.c 2014-12-10 08:09:20 UTC (rev
16493)
+++ trunk/edk2/SecurityPkg/Tcg/TcgDxe/TcgDxe.c 2014-12-10 08:21:05 UTC (rev
16494)
@@ -1021,7 +1021,7 @@
&BootCount,
(VOID **) &BootOrder
);
- if (Status == EFI_NOT_FOUND) {
+ if (Status == EFI_NOT_FOUND || BootOrder == NULL) {
return EFI_SUCCESS;
}
Modified: trunk/edk2/SecurityPkg/Tcg/TrEEDxe/TrEEDxe.c
===================================================================
--- trunk/edk2/SecurityPkg/Tcg/TrEEDxe/TrEEDxe.c 2014-12-10 08:09:20 UTC
(rev 16493)
+++ trunk/edk2/SecurityPkg/Tcg/TrEEDxe/TrEEDxe.c 2014-12-10 08:21:05 UTC
(rev 16494)
@@ -1245,7 +1245,7 @@
VarName,
VarNameLength * sizeof (*VarName)
);
- if (VarSize != 0) {
+ if (VarSize != 0 && VarData != NULL) {
CopyMem (
(CHAR16 *)VarLog->UnicodeName + VarNameLength,
VarData,
@@ -1423,7 +1423,7 @@
&BootCount,
(VOID **) &BootOrder
);
- if (Status == EFI_NOT_FOUND) {
+ if (Status == EFI_NOT_FOUND || BootOrder == NULL) {
return EFI_SUCCESS;
}
------------------------------------------------------------------------------
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