Limit entity platform entity service to same integration (#37313)

homeassistant/helpers/entity_platform.py

@@ -517,7 +517,11 @@ class EntityPlatform:
             """Handle the service."""
             await service.entity_service_call(
                 self.hass,
-                self.hass.data[DATA_ENTITY_PLATFORM][self.platform_name],
+                [
+                    plf
+                    for plf in self.hass.data[DATA_ENTITY_PLATFORM][self.platform_name]
+                    if plf.domain == self.domain
+                ],
                 func,
                 call,
                 required_features,

tests/helpers/test_entity_platform.py

@@ -882,6 +882,15 @@ async def test_platforms_sharing_services(hass):
     entity2 = MockEntity(entity_id="mock_integration.entity_2")
     await entity_platform2.async_add_entities([entity2])
 
+    entity_platform3 = MockEntityPlatform(
+        hass,
+        domain="different_integration",
+        platform_name="mock_platform",
+        platform=None,
+    )
+    entity3 = MockEntity(entity_id="different_integration.entity_3")
+    await entity_platform3.async_add_entities([entity3])
+
     entities = []
 
     @callback