diff --git a/pkgs/os-specific/linux/kernel/hardened-config.nix b/pkgs/os-specific/linux/kernel/hardened-config.nix
index 7023c113190..a859a3cefbd 100644
--- a/pkgs/os-specific/linux/kernel/hardened-config.nix
+++ b/pkgs/os-specific/linux/kernel/hardened-config.nix
@@ -100,6 +100,9 @@ GCC_PLUGINS y # Enable gcc plugin options
 ${optionalString (versionAtLeast version "4.11") ''
   GCC_PLUGIN_STRUCTLEAK y # A port of the PaX structleak plugin
 ''}
+${optionalString (versionAtLeast version "4.14") ''
+  GCC_PLUGIN_STRUCTLEAK_BYREF_ALL y # Also cover structs passed by address
+''}
 
 # Disable various dangerous settings
 ACPI_CUSTOM_METHOD n # Allows writing directly to physical memory