diff --git a/core/api/system-current.txt b/core/api/system-current.txt
index 2a99aaa94d2a3..9c6ddc0c68df1 100644
--- a/core/api/system-current.txt
+++ b/core/api/system-current.txt
@@ -136,6 +136,7 @@ package android {
     field public static final String MANAGE_CONTENT_SUGGESTIONS = "android.permission.MANAGE_CONTENT_SUGGESTIONS";
     field public static final String MANAGE_DEBUGGING = "android.permission.MANAGE_DEBUGGING";
     field public static final String MANAGE_FACTORY_RESET_PROTECTION = "android.permission.MANAGE_FACTORY_RESET_PROTECTION";
+    field public static final String MANAGE_HOTWORD_DETECTION = "android.permission.MANAGE_HOTWORD_DETECTION";
     field public static final String MANAGE_IPSEC_TUNNELS = "android.permission.MANAGE_IPSEC_TUNNELS";
     field public static final String MANAGE_MUSIC_RECOGNITION = "android.permission.MANAGE_MUSIC_RECOGNITION";
     field public static final String MANAGE_NOTIFICATION_LISTENERS = "android.permission.MANAGE_NOTIFICATION_LISTENERS";
@@ -10355,7 +10356,7 @@ package android.service.voice {
 
   public class VoiceInteractionService extends android.app.Service {
     method @NonNull public final android.service.voice.AlwaysOnHotwordDetector createAlwaysOnHotwordDetector(String, java.util.Locale, android.service.voice.AlwaysOnHotwordDetector.Callback);
-    method @NonNull public final android.service.voice.AlwaysOnHotwordDetector createAlwaysOnHotwordDetector(String, java.util.Locale, @Nullable android.os.Bundle, @Nullable android.os.SharedMemory, android.service.voice.AlwaysOnHotwordDetector.Callback);
+    method @NonNull @RequiresPermission(android.Manifest.permission.MANAGE_HOTWORD_DETECTION) public final android.service.voice.AlwaysOnHotwordDetector createAlwaysOnHotwordDetector(String, java.util.Locale, @Nullable android.os.Bundle, @Nullable android.os.SharedMemory, android.service.voice.AlwaysOnHotwordDetector.Callback);
     method @NonNull @RequiresPermission("android.permission.MANAGE_VOICE_KEYPHRASES") public final android.media.voice.KeyphraseModelManager createKeyphraseModelManager();
   }
 
diff --git a/core/java/android/service/voice/VoiceInteractionService.java b/core/java/android/service/voice/VoiceInteractionService.java
index 048d9f57aded1..9ba39a1b37f75 100644
--- a/core/java/android/service/voice/VoiceInteractionService.java
+++ b/core/java/android/service/voice/VoiceInteractionService.java
@@ -353,6 +353,7 @@ public class VoiceInteractionService extends Service {
      * @hide
      */
     @SystemApi
+    @RequiresPermission(Manifest.permission.MANAGE_HOTWORD_DETECTION)
     @NonNull
     public final AlwaysOnHotwordDetector createAlwaysOnHotwordDetector(
             @SuppressLint("MissingNullability") String keyphrase,  // TODO: nullability properly
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 521d246dc0dca..57d2e658d5f16 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -3707,6 +3707,13 @@
     <permission android:name="android.permission.BIND_HOTWORD_DETECTION_SERVICE"
         android:protectionLevel="signature" />
 
+    <!-- @SystemApi Allows an application to manage hotword detection on the device.
+         <p>Protection level: internal|preinstalled
+         @hide This is not a third-party API (intended for OEMs and system apps).
+    -->
+    <permission android:name="android.permission.MANAGE_HOTWORD_DETECTION"
+                android:protectionLevel="internal|preinstalled" />
+
     <!-- Must be required by a {@link android.service.autofill.AutofillService},
          to ensure that only the system can bind to it.
          <p>Protection level: signature
diff --git a/data/etc/privapp-permissions-platform.xml b/data/etc/privapp-permissions-platform.xml
index a7b6636a15def..31cdaeb84077b 100644
--- a/data/etc/privapp-permissions-platform.xml
+++ b/data/etc/privapp-permissions-platform.xml
@@ -490,6 +490,8 @@ applications that come with the platform
         <permission name="android.permission.SET_CLIP_SOURCE" />
         <!-- Permission required for CTS test - FontManagerTest -->
         <permission name="android.permission.UPDATE_FONTS" />
+        <!-- Permission required for hotword detection service CTS tests -->
+        <permission name="android.permission.MANAGE_HOTWORD_DETECTION" />
     </privapp-permissions>
 
     <privapp-permissions package="com.android.statementservice">
diff --git a/packages/Shell/AndroidManifest.xml b/packages/Shell/AndroidManifest.xml
index cf66bad45f3b8..db38ff64cb045 100644
--- a/packages/Shell/AndroidManifest.xml
+++ b/packages/Shell/AndroidManifest.xml
@@ -430,6 +430,9 @@
     <!-- Permission required for CTS test - FontManagerTest -->
     <uses-permission android:name="android.permission.UPDATE_FONTS" />
 
+    <!-- Permission required for hotword detection service CTS tests -->
+    <uses-permission android:name="android.permission.MANAGE_HOTWORD_DETECTION" />
+
     <application android:label="@string/app_label"
                 android:theme="@android:style/Theme.DeviceDefault.DayNight"
                 android:defaultToDeviceProtectedStorage="true"
diff --git a/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerService.java b/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerService.java
index 2626bfdc3d195..80d4f8fd0c2f1 100644
--- a/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerService.java
+++ b/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerService.java
@@ -985,6 +985,7 @@ public class VoiceInteractionManagerService extends SystemService {
         @Override
         public void setHotwordDetectionServiceConfig(@Nullable Bundle options,
                 @Nullable SharedMemory sharedMemory) {
+            enforceCallingPermission(Manifest.permission.MANAGE_HOTWORD_DETECTION);
             synchronized (this) {
                 enforceIsCurrentVoiceInteractionService();