diff -u b/core/modules/system/system.module b/core/modules/system/system.module
--- b/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -852,18 +852,25 @@
  * @see \Drupal\Core\Extension\ThemeHandlerInterface::rebuildThemeData()
  */
 function system_get_info($type, $name = NULL) {
+  $info_static = &drupal_static(__FUNCTION__ . ':module');
   $info = array();
+
   if ($type == 'module') {
-    if ($cache = \Drupal::cache()->get('system.module.data')) {
-      $data = $cache->data;
+    if (isset($info_static)) {
+      // Get info from static cache.
+      $info = $info_static;
+    }
+    elseif ($cache = \Drupal::cache()->get('system.module.info')) {
+      $info = $cache->data;
     }
     else {
       $data = system_rebuild_module_data();
-    }
-    foreach (\Drupal::moduleHandler()->getModuleList() as $module => $filename) {
-      if (isset($data[$module])) {
-        $info[$module] = $data[$module]->info;
+      foreach (\Drupal::moduleHandler()->getModuleList() as $module => $filename) {
+        if (isset($data[$module])) {
+          $info[$module] = $data[$module]->info;
+        }
       }
+      \Drupal::cache()->set('system.module.info', $info);
     }
   }
   else {
@@ -1006,12 +1013,13 @@
     // system_rebuild_module_data() to reset this key, such as when
     // listing modules, (un)installating modules, importing configuration,
     // updating the site and when flushing all caches.
-    \Drupal::cache()->set('system.module.data', $modules);
     $modules_cache = $modules;
 
     // Store filenames to allow drupal_get_filename() to
     // retrieve them without having to rebuild or scan the filesystem.
     \Drupal::state()->set('system.module.files', $files);
+    // Clear module info cache.
+    \Drupal::cache()->delete('system.module.info');
   }
   return $modules_cache;
 }