REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1608
Pointer HashCtx used in IsCertHashFoundInDatabase() is not freed inside
the while-loop, if it will run more than once.
Cc: Jiewen Yao <jiewen....@intel.com>
Cc: Chao Zhang <chao.b.zh...@intel.com>
Signed-off-by: Jian J Wang <jian.j.w...@intel.com>
---
.../Library/DxeImageVerificationLib/DxeImageVerificationLib.c | 3 +++
1 file changed, 3 insertions(+)
diff --git
a/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c
b/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c
index dbfbfcb4fb..74dbffa122 100644
--- a/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c
+++ b/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c
@@ -908,6 +908,9 @@ IsCertHashFoundInDatabase (
goto Done;
}
+ FreePool (HashCtx);
+ HashCtx = NULL;
+
SiglistHeaderSize = sizeof (EFI_SIGNATURE_LIST) +
DbxList->SignatureHeaderSize;
CertHash = (EFI_SIGNATURE_DATA *) ((UINT8 *) DbxList +
SiglistHeaderSize);
CertHashCount = (DbxList->SignatureListSize - SiglistHeaderSize) /
DbxList->SignatureSize;
--
2.24.0.windows.2
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