diff --git a/pmb/config/__init__.py b/pmb/config/__init__.py
index 455936bc..0bb4c183 100644
--- a/pmb/config/__init__.py
+++ b/pmb/config/__init__.py
@@ -339,6 +339,11 @@ necessary_kconfig_options_anbox = {
             "BRIDGE_VLAN_FILTERING": True,
         }
     },
+    ">=3.5": {
+        "all": {
+            "CROSS_MEMORY_ATTACH": True,  # required by Waydroid
+        }
+    },
     ">=4.20.0": {
         "all": {
             "PSI": True,  # required by userspace OOM killer in Waydroid
diff --git a/test/testdata/kconfig_check/good-anbox b/test/testdata/kconfig_check/good-anbox
index 5c204998..e2cd8d8f 100644
--- a/test/testdata/kconfig_check/good-anbox
+++ b/test/testdata/kconfig_check/good-anbox
@@ -55,3 +55,4 @@ CONFIG_BRIDGE_VLAN_FILTERING=y
 # needed for bubblewrap
 CONFIG_USER_NS=y
 CONFIG_PSI=y
+CONFIG_CROSS_MEMORY_ATTACH=y