diff --git a/nixos/modules/system/boot/stage-2.nix b/nixos/modules/system/boot/stage-2.nix
index 9b72391c20ac..08d78ade44ea 100644
--- a/nixos/modules/system/boot/stage-2.nix
+++ b/nixos/modules/system/boot/stage-2.nix
@@ -63,6 +63,7 @@ in
       nixStoreMountOpts = mkOption {
         type = types.listOf types.nonEmptyStr;
         default = [
+          "x-initrd.mount"
           "ro"
           "nodev"
           "nosuid"
diff --git a/pkgs/os-specific/linux/kernel/kernels-org.json b/pkgs/os-specific/linux/kernel/kernels-org.json
index bde07a2a15ca..982ebfb1e54a 100644
--- a/pkgs/os-specific/linux/kernel/kernels-org.json
+++ b/pkgs/os-specific/linux/kernel/kernels-org.json
@@ -30,13 +30,13 @@
         "lts": true
     },
     "6.18": {
-        "version": "6.18.50",
-        "hash": "sha256:0q842zpaqb5vi749g2lawa62p9gsb3h3p99vbrjdj4afmcfh9z6j",
+        "version": "6.18.51",
+        "hash": "sha256:04znimsjfimxxaarzaksn4jvkj1xr5ba7yh1j691ykdzb3w60bxs",
         "lts": true
     },
     "7.2": {
-        "version": "7.2.4",
-        "hash": "sha256:1p98bi0zzk3al2d0i28ms4h8vq2ps3n2prdsy69c9nip2zh0ww81",
+        "version": "7.2.5",
+        "hash": "sha256:0y1bcg3pg6zm59bjfrgh1bsy68kxjy9vvxygdzcxmn95hggz1pam",
         "lts": false
     }
 }