diff --git a/kernel/config-4.14.x-aarch64 b/kernel/config-4.14.x-aarch64
index 781a23288..9f25dbfed 100644
--- a/kernel/config-4.14.x-aarch64
+++ b/kernel/config-4.14.x-aarch64
@@ -574,6 +574,7 @@ CONFIG_XEN=y
 CONFIG_FORCE_MAX_ZONEORDER=11
 CONFIG_UNMAP_KERNEL_AT_EL0=y
 CONFIG_HARDEN_BRANCH_PREDICTOR=y
+CONFIG_ARM64_SSBD=y
 # CONFIG_ARM64_SW_TTBR0_PAN is not set
 
 #
diff --git a/kernel/config-4.17.x-aarch64 b/kernel/config-4.17.x-aarch64
index 7565b2f2a..4c4636e58 100644
--- a/kernel/config-4.17.x-aarch64
+++ b/kernel/config-4.17.x-aarch64
@@ -580,6 +580,7 @@ CONFIG_FORCE_MAX_ZONEORDER=11
 CONFIG_UNMAP_KERNEL_AT_EL0=y
 CONFIG_HARDEN_BRANCH_PREDICTOR=y
 CONFIG_HARDEN_EL2_VECTORS=y
+CONFIG_ARM64_SSBD=y
 # CONFIG_ARM64_SW_TTBR0_PAN is not set
 
 #