diff --git a/app.te b/app.te
index 8e220ff24278e959ae15fc452fe3679e2ff9eced..6e95ffb402825a51c4f7f3f65be0c20b8c5694f4 100644
--- a/app.te
+++ b/app.te
@@ -137,9 +137,6 @@ neverallow { appdomain -unconfineddomain } self:capability2 *;
 # Block device access.
 neverallow { appdomain -unconfineddomain } dev_type:blk_file { read write };
 
-# Kernel memory access.
-neverallow { appdomain -unconfineddomain } kmem_device:chr_file { read write };
-
 # Access to any character device that is not specifically typed.
 neverallow { appdomain -unconfineddomain } device:chr_file { read write };
 
diff --git a/domain.te b/domain.te
index 4d411959c7e3cf80dffb283f07726b57a1a06fef..55a7b8162a6af5f4021deab8cb79308a018cd891 100644
--- a/domain.te
+++ b/domain.te
@@ -139,3 +139,7 @@ neverallow { domain -init -system_server -ueventd -unconfineddomain } hw_random_
 
 # Ensure that all entrypoint executables are in exec_type.
 neverallow domain { file_type -exec_type }:file entrypoint;
+
+# Ensure that nothing in userspace can access /dev/mem or /dev/kmem
+neverallow { domain -kernel -ueventd -init } kmem_device:chr_file *;
+neverallow domain kmem_device:chr_file ~{ create relabelto unlink setattr };
diff --git a/netd.te b/netd.te
index d8d65c9a120a252999bb01a5ad5774fbf38169ed..d60e3776b6e6a031e457ac3fc4bc32fad711771e 100644
--- a/netd.te
+++ b/netd.te
@@ -64,9 +64,6 @@ allow netd device:sock_file write;
 # Block device access.
 neverallow netd dev_type:blk_file { read write };
 
-# Kernel memory access.
-neverallow netd kmem_device:chr_file { read write };
-
 # Setting SELinux enforcing status or booleans.
 neverallow netd kernel:security { setenforce setbool };
 
diff --git a/unconfined.te b/unconfined.te
index 80f88b7bc6a129941bbef7d9eebc2f1e13b84779..35db54f75b5e58f359db90b3dd473f75d57e8b05 100644
--- a/unconfined.te
+++ b/unconfined.te
@@ -30,7 +30,7 @@ allow unconfineddomain domain:ipc_class_set *;
 allow unconfineddomain domain:key *;
 allow unconfineddomain fs_type:filesystem *;
 allow unconfineddomain {fs_type dev_type file_type}:{ dir blk_file lnk_file sock_file fifo_file } ~relabelto;
-allow unconfineddomain {fs_type dev_type file_type}:{ chr_file file } ~{entrypoint relabelto};
+allow unconfineddomain {fs_type dev_type file_type -kmem_device}:{ chr_file file } ~{entrypoint relabelto};
 allow unconfineddomain node_type:node *;
 allow unconfineddomain node_type:{ tcp_socket udp_socket rawip_socket } node_bind;
 allow unconfineddomain netif_type:netif *;