diff --git a/pkgs/os-specific/linux/udisks/2-default.nix b/pkgs/os-specific/linux/udisks/2-default.nix
index a29e669380c4..6ee55b8579d1 100644
--- a/pkgs/os-specific/linux/udisks/2-default.nix
+++ b/pkgs/os-specific/linux/udisks/2-default.nix
@@ -2,6 +2,7 @@
   lib,
   stdenv,
   fetchFromGitHub,
+  fetchpatch,
   replaceVars,
   pkg-config,
   gnused,
@@ -78,6 +79,13 @@ stdenv.mkDerivation rec {
         util-linux
       ];
     })
+
+    # CVE-2025-6019: https://www.openwall.com/lists/oss-security/2025/06/17/5
+    (fetchpatch {
+      name = "CVE-2025-6019-2.patch";
+      url = "https://www.openwall.com/lists/oss-security/2025/06/17/5/2";
+      hash = "sha256-pgTA6yxQ1o9OU3qBeV1lh2O6mBkaUcc9md4uwFwz+AM=";
+    })
   ];
 
   strictDeps = true;