Index: VirtualBox-5.1.4/Config.kmk
===================================================================
--- VirtualBox-5.1.4.orig/Config.kmk
+++ VirtualBox-5.1.4/Config.kmk
@@ -4852,6 +4852,9 @@ TEMPLATE_VBOXR3HARDENEDEXE_LDFLAGS.darwi
 ifeq ($(KBUILD_TARGET),linux)
 # not necessary except USE_LIB_PCAP is defined in SUPR3HardenedMain.cpp
 # TEMPLATE_VBOXR3HARDENEDEXE_LIBS += cap
+ TEMPLATE_VBOXR3HARDENEDEXE_CXXFLAGS.linux = $(TEMPLATE_VBOXR3EXE_CXXFLAGS.linux) -fPIE
+ TEMPLATE_VBOXR3HARDENEDEXE_CFLAGS.linux = $(TEMPLATE_VBOXR3EXE_CFLAGS.linux) -fPIE
+ TEMPLATE_VBOXR3HARDENEDEXE_LDFLAGS.linux = $(TEMPLATE_VBOXR3EXE_LDFLAGS.linux) -pie
 endif
 ifeq ($(KBUILD_TARGET),win) # No CRT!
  TEMPLATE_VBOXR3HARDENEDEXE_SDKS          = VBOX_NTDLL $(TEMPLATE_VBOXR3EXE_SDKS)
@@ -4871,8 +4874,8 @@ ifeq ($(KBUILD_TARGET),win) # No CRT!
  TEMPLATE_VBOXR3HARDENEDEXE_LIBS.amd64     = $(NOT_SUCH_VARIABLE)
 else ifn1of ($(KBUILD_TARGET), os2 solaris)
  # We want to keep the RPATH on Solaris to be able to find libgcc_1/libstdc++ within $(VBOX_WITH_RUNPATH)
- TEMPLATE_VBOXR3HARDENEDEXE_LDFLAGS       = $(filter-out '$(VBOX_GCC_RPATH_OPT)%,$(TEMPLATE_VBOXR3EXE_LDFLAGS))
- TEMPLATE_VBOXR3HARDENEDEXE_LDFLAGS.linux = $(filter-out $(VBOX_GCC_ORIGIN_OPT),$(TEMPLATE_VBOXR3EXE_LDFLAGS.linux))
+ TEMPLATE_VBOXR3HARDENEDEXE_LDFLAGS       = $(filter-out '$(VBOX_GCC_RPATH_OPT)%,$(TEMPLATE_VBOXR3EXE_LDFLAGS)) -pie
+ TEMPLATE_VBOXR3HARDENEDEXE_LDFLAGS.linux = $(filter-out $(VBOX_GCC_ORIGIN_OPT),$(TEMPLATE_VBOXR3EXE_LDFLAGS.linux)) -pie
 endif
 
 #