--- chromium-125.0.6422.141.orig/third_party/widevine/cdm/widevine.gni
+++ chromium-125.0.6422.141/third_party/widevine/cdm/widevine.gni
@@ -27,7 +27,7 @@
 library_widevine_cdm_available =
     (is_chromeos &&
      (target_cpu == "x64" || target_cpu == "arm" || target_cpu == "arm64")) ||
-    (target_os == "linux" && target_cpu == "x64") ||
+    (target_os == "linux" && (target_cpu == "x64" || target_cpu == "arm64")) ||
     (target_os == "mac" && (target_cpu == "x64" || target_cpu == "arm64")) ||
     (target_os == "win" &&
      (target_cpu == "x86" || target_cpu == "x64" || target_cpu == "arm64"))