MdePkg: Improving readability of CVE patch for PeCoffLoaderRelocateImage

This change adds parantheses to the if condition detecting overflow in the PeCoffLoaderRelocateImage function to improve readability. Follow on change for: REF!: #6249 Signed-off-by: Doug Flick <[email protected]>
tianocore · Oct 2, 2024 · 7eb5a9e · 7eb5a9e
1 parent cac73c4
commit 7eb5a9e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/MdePkg/Library/BasePeCoffLib/BasePeCoff.c b/MdePkg/Library/BasePeCoffLib/BasePeCoff.c
@@ -1054,7 +1054,7 @@ PeCoffLoaderRelocateImage (
     RelocDir = &Hdr.Te->DataDirectory[0];
   }
 
-  if ((RelocDir != NULL) && (RelocDir->Size > 0) && (RelocDir->Size - 1 < MAX_UINT32 - RelocDir->VirtualAddress)) {
+  if ((RelocDir != NULL) && (RelocDir->Size > 0) && ((RelocDir->Size - 1) < (MAX_UINT32 - RelocDir->VirtualAddress))) {
     RelocBase    = (EFI_IMAGE_BASE_RELOCATION *)PeCoffLoaderImageAddress (ImageContext, RelocDir->VirtualAddress, TeStrippedOffset);
     RelocBaseEnd = (EFI_IMAGE_BASE_RELOCATION *)PeCoffLoaderImageAddress (
                                                   ImageContext,