diff --git a/private/compat/26.0/26.0.ignore.cil b/private/compat/26.0/26.0.ignore.cil
index 68d6b40..bc31452 100644
--- a/private/compat/26.0/26.0.ignore.cil
+++ b/private/compat/26.0/26.0.ignore.cil
@@ -66,6 +66,7 @@
     lowpan_service
     mediaextractor_update_service
     mediaprovider_tmpfs
+    mnt_vendor_file
     netd_stable_secret_prop
     network_watchlist_data_file
     network_watchlist_service
diff --git a/private/compat/27.0/27.0.ignore.cil b/private/compat/27.0/27.0.ignore.cil
index 1eaf22a..0571bfc 100644
--- a/private/compat/27.0/27.0.ignore.cil
+++ b/private/compat/27.0/27.0.ignore.cil
@@ -54,6 +54,7 @@
     lowpan_prop
     lowpan_service
     mediaextractor_update_service
+    mnt_vendor_file
     network_watchlist_data_file
     network_watchlist_service
     perfetto
diff --git a/private/file_contexts b/private/file_contexts
index 109f219..4e2a765 100644
--- a/private/file_contexts
+++ b/private/file_contexts
@@ -525,3 +525,7 @@
 /mnt/user(/.*)?             u:object_r:mnt_user_file:s0
 /mnt/runtime(/.*)?          u:object_r:storage_file:s0
 /storage(/.*)?              u:object_r:storage_file:s0
+
+#############################
+# mount point for read-write vendor partitions
+/mnt/vendor(/.*)?          u:object_r:mnt_vendor_file:s0
diff --git a/public/domain.te b/public/domain.te
index 0e815b6..9458d79 100644
--- a/public/domain.te
+++ b/public/domain.te
@@ -1363,3 +1363,9 @@
   dontaudit domain proc_type:file create;
   dontaudit domain sysfs_type:file create;
 ')
+
+# Platform must not have access to /mnt/vendor.
+neverallow {
+  coredomain
+  -init
+} mnt_vendor_file:dir *;
diff --git a/public/file.te b/public/file.te
index 5a5ee80..01b489d 100644
--- a/public/file.te
+++ b/public/file.te
@@ -225,6 +225,9 @@
 type mnt_media_rw_stub_file, file_type;
 type storage_stub_file, file_type;
 
+# Mount location for read-write vendor partitions.
+type mnt_vendor_file, file_type;
+
 # /postinstall: Mount point used by update_engine to run postinstall.
 type postinstall_mnt_dir, file_type;
 # Files inside the /postinstall mountpoint are all labeled as postinstall_file.