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authorChao Zhang <chao.b.zhang@intel.com>2015-07-15 02:13:48 +0000
committerczhang46 <czhang46@Edk2>2015-07-15 02:13:48 +0000
commit1ca3a099383997be7aa071c0c211814f72c9ce4d (patch)
tree34af211543996a7e28f6c22d8c56dd8168f6bc5d /SecurityPkg/Library/DxeImageVerificationLib
parent368110120b8266f70924dd15a6d09afcb58767b7 (diff)
downloadedk2-platforms-1ca3a099383997be7aa071c0c211814f72c9ce4d.tar.xz
SecurityPkg: Fix DBX Variable Read Error in ImageVerificationLib
ImageVerificationLib passes wrong data buffer size when reading DBX variable, causing heap crash. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Chao Zhang <chao.b.zhang@intel.com> Reviewed-by: Qin Long <qin.long@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17981 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'SecurityPkg/Library/DxeImageVerificationLib')
-rw-r--r--SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c b/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c
index 3331b6862e..ca1bdc0be8 100644
--- a/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c
+++ b/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c
@@ -1448,7 +1448,7 @@ IsAllowedByDb (
if (Status == EFI_BUFFER_TOO_SMALL) {
goto Done;
}
- DbxData = (UINT8 *) AllocateZeroPool (DataSize);
+ DbxData = (UINT8 *) AllocateZeroPool (DbxDataSize);
if (DbxData == NULL) {
goto Done;
}