nixVersions.nix_2_3: add knownVulnerabilities

ci/default.nix

@@ -18,7 +18,9 @@ let
 
   pkgs = import nixpkgs' {
     inherit system;
-    config = { };
+    config = {
+      permittedInsecurePackages = [ "nix-2.3.18" ];
+    };
     overlays = [ ];
   };
 

lib/tests/release.nix

@@ -2,7 +2,14 @@
   # The pkgs used for dependencies for the testing itself
   # Don't test properties of pkgs.lib, but rather the lib in the parent directory
   system ? builtins.currentSystem,
-  pkgs ? import ../.. { inherit system; } // {
+  pkgs ?
+    import ../.. {
+      inherit system;
+      config = {
+        permittedInsecurePackages = [ "nix-2.3.18" ];
+      };
+    }
+    // {
       lib = throw "pkgs.lib accessed, but the lib tests should use nixpkgs' lib path directly!";
     },
   # For testing someone may edit impure.nix to return cross pkgs, use `pkgsBuildBuild` directly so everything here works.

pkgs/tools/package-management/nix/common-autoconf.nix

@@ -11,6 +11,7 @@
     inherit hash;
   },
   patches ? [ ],
+  knownVulnerabilities ? [ ],
   maintainers ? [
     lib.maintainers.lovesegfault
     lib.maintainers.artturin
@@ -335,7 +336,7 @@ let
       '';
       homepage = "https://nixos.org/";
       license = licenses.lgpl21Plus;
-      inherit maintainers teams;
+      inherit knownVulnerabilities maintainers teams;
       platforms = platforms.unix;
       outputsToInstall = [ "out" ] ++ optional enableDocumentation "man";
       mainProgram = "nix";

pkgs/tools/package-management/nix/default.nix

@@ -159,6 +159,15 @@ lib.makeExtensible (
             patch-monitorfdhup
           ];
           self_attribute_name = "nix_2_3";
+          knownVulnerabilities = [
+            "CVE-2024-38531"
+            "CVE-2024-47174"
+            "CVE-2025-46415"
+            "CVE-2025-46416"
+            "CVE-2025-52991"
+            "CVE-2025-52992"
+            "CVE-2025-52993"
+          ];
           maintainers = with lib.maintainers; [ flokli ];
           teams = [ ];
         }).overrideAttrs

pkgs/top-level/make-tarball.nix

@@ -3,7 +3,13 @@
   officialRelease,
   pkgs ? import nixpkgs.outPath { },
   nix ? pkgs.nix,
-  lib-tests ? import ../../lib/tests/release.nix { inherit pkgs; },
+  lib-tests ? import ../../lib/tests/release.nix {
+    pkgs = import nixpkgs.outPath {
+      config = {
+        permittedInsecurePackages = [ "nix-2.3.18" ];
+      };
+    };
+  },
 }:
 
 pkgs.releaseTools.sourceTarball {

pkgs/top-level/release.nix

@@ -86,6 +86,7 @@ let
     id
     isDerivation
     optionals
+    recursiveUpdate
     ;
 
   inherit (release-lib.lib.attrsets) unionOfDisjoint;
@@ -111,7 +112,20 @@ let
 
     manual = pkgs.nixpkgs-manual.override { inherit nixpkgs; };
     metrics = import ./metrics.nix { inherit pkgs nixpkgs; };
-    lib-tests = import ../../lib/tests/release.nix { inherit pkgs; };
+    lib-tests = import ../../lib/tests/release.nix {
+      pkgs = import nixpkgs (
+        recursiveUpdate
+          (recursiveUpdate {
+            inherit system;
+            config.allowUnsupportedSystem = true;
+          } nixpkgsArgs)
+          {
+            config.permittedInsecurePackages = nixpkgsArgs.config.permittedInsecurePackages or [ ] ++ [
+              "nix-2.3.18"
+            ];
+          }
+      );
+    };
     pkgs-lib-tests = import ../pkgs-lib/tests { inherit pkgs; };
 
     darwin-tested =