diff --git a/Library/Homebrew/cask/download.rb b/Library/Homebrew/cask/download.rb
index 0182440b4e..e6cfd4f6ca 100644
--- a/Library/Homebrew/cask/download.rb
+++ b/Library/Homebrew/cask/download.rb
@@ -114,3 +114,5 @@ module Cask
     end
   end
 end
+
+require "extend/os/cask/download"
diff --git a/Library/Homebrew/extend/os/cask/download.rb b/Library/Homebrew/extend/os/cask/download.rb
new file mode 100644
index 0000000000..180793b696
--- /dev/null
+++ b/Library/Homebrew/extend/os/cask/download.rb
@@ -0,0 +1,4 @@
+# typed: true
+# frozen_string_literal: true
+
+require "extend/os/linux/cask/download" if OS.linux?
diff --git a/Library/Homebrew/extend/os/linux/cask/download.rb b/Library/Homebrew/extend/os/linux/cask/download.rb
new file mode 100644
index 0000000000..6d453ff7e3
--- /dev/null
+++ b/Library/Homebrew/extend/os/linux/cask/download.rb
@@ -0,0 +1,13 @@
+# typed: true
+# frozen_string_literal: true
+
+module Cask
+  class Download
+    undef quarantine
+
+    def quarantine(_path)
+      opoo "Cannot quarantine download: No xattr available on linux." if @quarantine
+      nil
+    end
+  end
+end