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OvmfPkg/VirtNorFlashDxe: stop accepting gEfiVariableGuid 

Only accept gEfiAuthenticatedVariableGuid when checking the variable
store header in ValidateFvHeader().

The edk2 code base has been switched to use the authenticated varstore
format unconditionally (even in case secure boot is not used or
supported) a few years ago.

Suggested-by: László Érsek <lersek@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20240109112902.30002-3-kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2024-01-09 12:29:01 +01:00 committed by mergify[bot]
parent 3b1ddbddee
commit ae22b2f136
1 changed files with 1 additions and 3 deletions
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4
OvmfPkg/VirtNorFlashDxe/VirtNorFlashFvb.c
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@ -239,9 +239,7 @@ ValidateFvHeader (
VariableStoreHeader = (VARIABLE_STORE_HEADER *)((UINTN)FwVolHeader + FwVolHeader->HeaderLength);
// Check the Variable Store Guid
if (!CompareGuid (&VariableStoreHeader->Signature, &gEfiVariableGuid) &&
!CompareGuid (&VariableStoreHeader->Signature, &gEfiAuthenticatedVariableGuid))
{
if (!CompareGuid (&VariableStoreHeader->Signature, &gEfiAuthenticatedVariableGuid)) {
DEBUG ((
DEBUG_INFO,
"%a: Variable Store Guid non-compatible\n",