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-rw-r--r--arch/arm64/configs/hardening.config1
-rw-r--r--arch/x86/configs/hardening.config3
2 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm64/configs/hardening.config b/arch/arm64/configs/hardening.config
index b0e795208998..24179722927e 100644
--- a/arch/arm64/configs/hardening.config
+++ b/arch/arm64/configs/hardening.config
@@ -5,6 +5,7 @@ CONFIG_ARM64_SW_TTBR0_PAN=y
# Software Shadow Stack or PAC
CONFIG_SHADOW_CALL_STACK=y
+CONFIG_UNWIND_PATCH_PAC_INTO_SCS=y
# Pointer authentication (ARMv8.3 and later). If hardware actually supports
# it, one can turn off CONFIG_STACKPROTECTOR_STRONG with this enabled.
diff --git a/arch/x86/configs/hardening.config b/arch/x86/configs/hardening.config
index 7b497f3b7bc3..de319852a1e9 100644
--- a/arch/x86/configs/hardening.config
+++ b/arch/x86/configs/hardening.config
@@ -10,5 +10,8 @@ CONFIG_INTEL_IOMMU_DEFAULT_ON=y
CONFIG_INTEL_IOMMU_SVM=y
CONFIG_AMD_IOMMU=y
+# Enforce CET Indirect Branch Tracking in the kernel.
+CONFIG_X86_KERNEL_IBT=y
+
# Enable CET Shadow Stack for userspace.
CONFIG_X86_USER_SHADOW_STACK=y