diff --git a/private/compat/26.0/26.0.ignore.cil b/private/compat/26.0/26.0.ignore.cil
index 68d6b409e6e82643453399c3e1562e31ec45a479..bc31452d07faf7703860e25aa89b2e7a49dcc428 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 1eaf22a7d38f1fd58e2db569f3896c998132a01e..0571bfc7827d57cab5b49a3586386fbc1edc3a7f 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 109f2190802573307ae0384dde8a132cc7588a51..4e2a7654b8678a61bfe7161d7208d33a1ccfabbd 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 0e815b60772d3921d8ae20e4b5a68f15eea67165..9458d796a199b312e33ab430e69d0a82f4ceb8cd 100644
--- a/public/domain.te
+++ b/public/domain.te
@@ -1363,3 +1363,9 @@ userdebug_or_eng(`
   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 5a5ee80baf55d5fb5c89d01012e3534e97398b11..01b489d71aea04479364c46de52e820819fa3c1b 100644
--- a/public/file.te
+++ b/public/file.te
@@ -225,6 +225,9 @@ type storage_file, file_type;
 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.