diff --git a/pkgs/os-specific/linux/nvidia-x11/default.nix b/pkgs/os-specific/linux/nvidia-x11/default.nix
index bc66e3c8b7eb..598ac6a4c451 100644
--- a/pkgs/os-specific/linux/nvidia-x11/default.nix
+++ b/pkgs/os-specific/linux/nvidia-x11/default.nix
@@ -13,6 +13,8 @@ let
   kernel = callPackage # a hacky way of extracting parameters from callPackage
     ({ kernel, libsOnly ? false }: if libsOnly then { } else kernel) { };
 
+  kernelModVersion = lib.versions.majorMinor kernel.modDirVersion;
+
   selectHighestVersion = a: b: if lib.versionOlder a.version b.version
     then b
     else a;
@@ -30,6 +32,8 @@ rec {
     openSha256 = "sha256-GCCDnaDsbXTmbCYZBCM3fpHmOSWti/DkBJwYrRGAMPI=";
     settingsSha256 = "sha256-kBELMJCIWD9peZba14wfCoxsi3UXO3ehFYcVh4nvzVg=";
     persistencedSha256 = "sha256-P8oT7g944HvNk2Ot/0T0sJM7dZs+e0d+KwbwRrmsuDY=";
+
+    brokenOpen = kernelModVersion == "5.4" && kernel.isHardened;
   };
 
   latest = selectHighestVersion production (generic {
@@ -50,14 +54,16 @@ rec {
   # Vulkan developer beta driver
   # See here for more information: https://developer.nvidia.com/vulkan-driver
   vulkan_beta = generic rec {
-    version = "470.62.13";
-    persistencedVersion = "470.86";
-    settingsVersion = "470.86";
-    sha256_64bit = "sha256-itBFNPMy+Nn0g8V8qdkRb+ELHj57GRso1lXhPHUxKVI=";
-    settingsSha256 = "sha256-fq6RlD6g3uylvvTjE4MmaQwxPJYU0u6IMfpPVzks0tI=";
-    persistencedSha256 = "sha256-eHvauvh8Wd+b8DK6B3ZWNjoWGztupWrR8iog9ok58io=";
+    version = "515.49.14";
+    persistencedVersion = "515.48.07";
+    settingsVersion = "515.48.07";
+    sha256_64bit = "sha256-xNaqTeIfYQIdCxo841rQ87RQc+br5OhP6K12o4V3I18=";
+    openSha256 = "sha256-4KvOOAR0RQkHTFJkkG32y6uOSHB85Lh6PyVSgRjU1l4=";
+    settingsSha256 = "sha256-XwdMsAAu5132x2ZHqjtFvcBJk6Dao7I86UksxrOkknU=";
+    persistencedSha256 = "sha256-BTfYNDJKe4tOvV71/1JJSPltJua0Mx/RvDcWT5ccRRY=";
     url = "https://developer.nvidia.com/vulkan-beta-${lib.concatStrings (lib.splitString "." version)}-linux";
-    broken = kernel.kernelAtLeast "5.17";
+
+    broken = kernelModVersion == "5.4" && kernel.isHardened;
   };
 
   # Update note:
@@ -84,7 +90,7 @@ rec {
 
     patches =
       let patch390 = o:
-        (lib.optional ((lib.versions.majorMinor kernel.modDirVersion) == o.version) (fetchpatch {
+        (lib.optional (kernelModVersion == o.version) (fetchpatch {
           inherit (o) sha256;
           url = "https://gitlab.com/herecura/packages/nvidia-390xx-dkms/-/raw/herecura/kernel-${o.version}.patch";
         }));
diff --git a/pkgs/os-specific/linux/nvidia-x11/generic.nix b/pkgs/os-specific/linux/nvidia-x11/generic.nix
index d6dcc7ad6cd0..b694dc1fd0ca 100644
--- a/pkgs/os-specific/linux/nvidia-x11/generic.nix
+++ b/pkgs/os-specific/linux/nvidia-x11/generic.nix
@@ -15,6 +15,7 @@
 , prePatch ? ""
 , patches ? []
 , broken ? false
+, brokenOpen ? broken
 }@args:
 
 { lib, stdenv, callPackage, pkgs, pkgsi686Linux, fetchurl
@@ -104,8 +105,9 @@ let
 
     passthru = {
       open = mapNullable (hash: callPackage ./open.nix {
-        inherit hash broken;
+        inherit hash;
         nvidia_x11 = self;
+        broken = brokenOpen;
       }) openSha256;
       settings = (if settings32Bit then pkgsi686Linux.callPackage else callPackage) (import ./settings.nix self settingsSha256) {
         withGtk2 = preferGtk2;
diff --git a/pkgs/top-level/linux-kernels.nix b/pkgs/top-level/linux-kernels.nix
index 5c78eb12f105..ba84eca34c81 100644
--- a/pkgs/top-level/linux-kernels.nix
+++ b/pkgs/top-level/linux-kernels.nix
@@ -364,9 +364,12 @@ in {
     nvidia_x11_production  = nvidiaPackages.production;
     nvidia_x11_vulkan_beta = nvidiaPackages.vulkan_beta;
 
-    # this is not a replacement for nvidia_x11
+    # this is not a replacement for nvidia_x11*
     # only the opensource kernel driver exposed for hydra to build
-    nvidia_x11_beta_open   = nvidiaPackages.beta.open;
+    nvidia_x11_beta_open         = nvidiaPackages.beta.open;
+    nvidia_x11_production_open   = nvidiaPackages.production.open;
+    nvidia_x11_stable_open       = nvidiaPackages.stable.open;
+    nvidia_x11_vulkan_beta_open  = nvidiaPackages.vulkan_beta.open;
 
     openrazer = callPackage ../os-specific/linux/openrazer/driver.nix { };