diff --git a/OvmfPkg/Sec/SecMain.c b/OvmfPkg/Sec/SecMain.c index a27dc9406b..4bb3b64170 100644 --- a/OvmfPkg/Sec/SecMain.c +++ b/OvmfPkg/Sec/SecMain.c @@ -760,6 +760,19 @@ SecCoreStartupWithStack ( #if defined (TDX_GUEST_SUPPORTED) if (CcProbe () == CcGuestTypeIntelTdx) { + // + // From the security perspective all the external input should be measured before + // it is consumed. TdHob and Configuration FV (Cfv) image are passed from VMM + // and should be measured here. + // + if (EFI_ERROR (TdxHelperMeasureTdHob ())) { + CpuDeadLoop (); + } + + if (EFI_ERROR (TdxHelperMeasureCfvImage ())) { + CpuDeadLoop (); + } + // // For Td guests, the memory map info is in TdHobLib. It should be processed // first so that the memory is accepted. Otherwise access to the unaccepted