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-rw-r--r--nixos/modules/config/sysctl.nix5
1 files changed, 1 insertions, 4 deletions
diff --git a/nixos/modules/config/sysctl.nix b/nixos/modules/config/sysctl.nix
index a3f7e8f722f..2114fb2b9d4 100644
--- a/nixos/modules/config/sysctl.nix
+++ b/nixos/modules/config/sysctl.nix
@@ -60,10 +60,7 @@ in
 
     # Hide kernel pointers (e.g. in /proc/modules) for unprivileged
     # users as these make it easier to exploit kernel vulnerabilities.
-    #
-    # Removed under grsecurity.
-    boot.kernel.sysctl."kernel.kptr_restrict" =
-      if (config.boot.kernelPackages.kernel.features.grsecurity or false) then null else 1;
+    boot.kernel.sysctl."kernel.kptr_restrict" = 1;
 
     # Disable YAMA by default to allow easy debugging.
     boot.kernel.sysctl."kernel.yama.ptrace_scope" = mkDefault 0;