[selinux-policy] Add denyexecmem patch
Daniel J Walsh
dwalsh at fedoraproject.org
Thu Nov 10 14:21:44 UTC 2011
commit 6b27a2e362672bc33ca7c2a91db84fd1c19d6eee
Author: Dan Walsh <dwalsh at redhat.com>
Date: Thu Nov 10 09:21:38 2011 -0500
Add denyexecmem patch
denyexecmem.patch | 317 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 317 insertions(+), 0 deletions(-)
---
diff --git a/denyexecmem.patch b/denyexecmem.patch
new file mode 100644
index 0000000..ce67a55
--- /dev/null
+++ b/denyexecmem.patch
@@ -0,0 +1,317 @@
+diff -up serefpolicy-3.10.0/policy/global_tunables.denyexecmem serefpolicy-3.10.0/policy/global_tunables
+--- serefpolicy-3.10.0/policy/global_tunables.denyexecmem 2011-11-08 16:11:51.764047705 -0500
++++ serefpolicy-3.10.0/policy/global_tunables 2011-11-08 16:11:52.028047558 -0500
+@@ -20,10 +20,10 @@ gen_tunable(allow_execheap,false)
+
+ ## <desc>
+ ## <p>
+-## Allow unconfined executables to map a memory region as both executable and writable, this is dangerous and the executable should be reported in bugzilla
++## Deny user domains applications to map a memory region as both executable and writable, this is dangerous and the executable should be reported in bugzilla
+ ## </p>
+ ## </desc>
+-gen_tunable(allow_execmem,false)
++gen_tunable(deny_execmem,false)
+
+ ## <desc>
+ ## <p>
+diff -up serefpolicy-3.10.0/policy/modules/admin/rpm.te.denyexecmem serefpolicy-3.10.0/policy/modules/admin/rpm.te
+--- serefpolicy-3.10.0/policy/modules/admin/rpm.te.denyexecmem 2011-11-08 16:11:51.771047703 -0500
++++ serefpolicy-3.10.0/policy/modules/admin/rpm.te 2011-11-08 16:11:52.030047557 -0500
+@@ -382,7 +382,7 @@ ifdef(`distro_redhat',`
+ ')
+ ')
+
+-tunable_policy(`allow_execmem',`
++tunable_policy(`deny_execmem',`',`
+ allow rpm_script_t self:process execmem;
+ ')
+
+diff -up serefpolicy-3.10.0/policy/modules/apps/games.te.denyexecmem serefpolicy-3.10.0/policy/modules/apps/games.te
+--- serefpolicy-3.10.0/policy/modules/apps/games.te.denyexecmem 2011-06-27 14:18:04.000000000 -0400
++++ serefpolicy-3.10.0/policy/modules/apps/games.te 2011-11-08 16:11:52.031047556 -0500
+@@ -166,7 +166,7 @@ userdom_manage_user_tmp_sockets(games_t)
+ # Suppress .icons denial until properly implemented
+ userdom_dontaudit_read_user_home_content_files(games_t)
+
+-tunable_policy(`allow_execmem',`
++tunable_policy(`deny_execmem',`', `
+ allow games_t self:process execmem;
+ ')
+
+diff -up serefpolicy-3.10.0/policy/modules/apps/mozilla.te.denyexecmem serefpolicy-3.10.0/policy/modules/apps/mozilla.te
+--- serefpolicy-3.10.0/policy/modules/apps/mozilla.te.denyexecmem 2011-11-08 16:11:51.786047693 -0500
++++ serefpolicy-3.10.0/policy/modules/apps/mozilla.te 2011-11-08 16:11:52.032047555 -0500
+@@ -178,8 +178,12 @@ xserver_user_x_domain_template(mozilla,
+ xserver_dontaudit_read_xdm_tmp_files(mozilla_t)
+ xserver_dontaudit_getattr_xdm_tmp_sockets(mozilla_t)
+
+-tunable_policy(`allow_execmem',`
+- allow mozilla_t self:process { execmem execstack };
++tunable_policy(`allow_execstack',`
++ allow mozilla_t self:process execstack;
++')
++
++tunable_policy(`deny_execmem',`',`
++ allow mozilla_t self:process execmem;
+ ')
+
+ tunable_policy(`use_nfs_home_dirs',`
+@@ -410,12 +414,12 @@ userdom_read_user_home_content_symlinks(
+ userdom_read_home_certs(mozilla_plugin_t)
+ userdom_dontaudit_write_home_certs(mozilla_plugin_t)
+
+-tunable_policy(`allow_execmem',`
+- allow mozilla_plugin_t self:process { execmem execstack };
++tunable_policy(`deny_execmem',`', `
++ allow mozilla_plugin_t self:process execmem;
+ ')
+
+ tunable_policy(`allow_execstack',`
+- allow mozilla_plugin_t self:process { execstack };
++ allow mozilla_plugin_t self:process execstack;
+ ')
+
+ tunable_policy(`use_nfs_home_dirs',`
+diff -up serefpolicy-3.10.0/policy/modules/apps/mplayer.te.denyexecmem serefpolicy-3.10.0/policy/modules/apps/mplayer.te
+--- serefpolicy-3.10.0/policy/modules/apps/mplayer.te.denyexecmem 2011-11-08 16:11:51.048048110 -0500
++++ serefpolicy-3.10.0/policy/modules/apps/mplayer.te 2011-11-08 16:11:53.818046549 -0500
+@@ -92,7 +92,7 @@ ifndef(`enable_mls',`
+ fs_read_removable_symlinks(mencoder_t)
+ ')
+
+-tunable_policy(`allow_execmem',`
++tunable_policy(`deny_execmem',`',`
+ allow mencoder_t self:process execmem;
+ ')
+
+@@ -252,7 +252,7 @@ ifdef(`enable_mls',`',`
+ fs_read_removable_symlinks(mplayer_t)
+ ')
+
+-tunable_policy(`allow_execmem',`
++tunable_policy(`deny_execmem',`',`
+ allow mplayer_t self:process execmem;
+ ')
+
+diff -up serefpolicy-3.10.0/policy/modules/kernel/corecommands.te.denyexecmem serefpolicy-3.10.0/policy/modules/kernel/corecommands.te
+--- serefpolicy-3.10.0/policy/modules/kernel/corecommands.te.denyexecmem 2011-06-27 14:18:04.000000000 -0400
++++ serefpolicy-3.10.0/policy/modules/kernel/corecommands.te 2011-11-08 16:11:52.033047554 -0500
+@@ -13,7 +13,7 @@ attribute exec_type;
+ #
+ # bin_t is the type of files in the system bin/sbin directories.
+ #
+-type bin_t alias { ls_exec_t sbin_t };
++type bin_t alias { ls_exec_t sbin_t java_exec_t execmem_exec_t mono_exec_t };
+ corecmd_executable_file(bin_t)
+ dev_associate(bin_t) #For /dev/MAKEDEV
+
+diff -up serefpolicy-3.10.0/policy/modules/roles/unconfineduser.te.denyexecmem serefpolicy-3.10.0/policy/modules/roles/unconfineduser.te
+--- serefpolicy-3.10.0/policy/modules/roles/unconfineduser.te.denyexecmem 2011-11-08 16:11:51.729047726 -0500
++++ serefpolicy-3.10.0/policy/modules/roles/unconfineduser.te 2011-11-08 16:11:52.034047554 -0500
+@@ -104,11 +104,11 @@ unconfined_domain_noaudit(unconfined_t)
+ usermanage_run_passwd(unconfined_t, unconfined_r)
+ usermanage_run_chfn(unconfined_t, unconfined_r)
+
+-tunable_policy(`allow_execmem',`
++tunable_policy(`deny_execmem',`',`
+ allow unconfined_t self:process execmem;
+ ')
+
+-tunable_policy(`allow_execmem && allow_execstack',`
++tunable_policy(`allow_execstack',`
+ allow unconfined_t self:process execstack;
+ ')
+
+@@ -230,7 +230,6 @@ optional_policy(`
+
+ optional_policy(`
+ unconfined_domain(unconfined_dbusd_t)
+- unconfined_execmem_domtrans(unconfined_dbusd_t)
+
+ optional_policy(`
+ xserver_rw_shm(unconfined_dbusd_t)
+@@ -389,48 +388,5 @@ optional_policy(`
+ xserver_manage_home_fonts(unconfined_t)
+ ')
+
+-########################################
+-#
+-# Unconfined Execmem Local policy
+-#
+-
+-optional_policy(`
+- execmem_role_template(unconfined, unconfined_r, unconfined_t)
+- typealias unconfined_execmem_t alias execmem_t;
+- typealias unconfined_execmem_t alias unconfined_openoffice_t;
+- unconfined_domain_noaudit(unconfined_execmem_t)
+- allow unconfined_execmem_t unconfined_t:process transition;
+- rpm_transition_script(unconfined_execmem_t)
+- role system_r types unconfined_execmem_t;
+-
+- optional_policy(`
+- init_dbus_chat_script(unconfined_execmem_t)
+- dbus_system_bus_client(unconfined_execmem_t)
+- unconfined_dbus_chat(unconfined_execmem_t)
+- unconfined_dbus_connect(unconfined_execmem_t)
+- ')
+-
+- optional_policy(`
+- tunable_policy(`allow_unconfined_nsplugin_transition',`', `
+- nsplugin_exec_domtrans(unconfined_t, unconfined_execmem_t)
+- ')
+- ')
+-
+- optional_policy(`
+- tunable_policy(`unconfined_login',`
+- mplayer_exec_domtrans(unconfined_t, unconfined_execmem_t)
+- ')
+- ')
+-
+- optional_policy(`
+- openoffice_exec_domtrans(unconfined_t, unconfined_execmem_t)
+- ')
+-')
+-
+-########################################
+-#
+-# Unconfined mount local policy
+-#
+-
+ gen_user(unconfined_u, user, unconfined_r system_r, s0, s0 - mls_systemhigh, mcs_allcats)
+
+diff -up serefpolicy-3.10.0/policy/modules/services/postgresql.te.denyexecmem serefpolicy-3.10.0/policy/modules/services/postgresql.te
+--- serefpolicy-3.10.0/policy/modules/services/postgresql.te.denyexecmem 2011-11-08 16:11:51.439047890 -0500
++++ serefpolicy-3.10.0/policy/modules/services/postgresql.te 2011-11-08 16:11:52.035047553 -0500
+@@ -329,7 +329,7 @@ userdom_dontaudit_use_user_terminals(pos
+
+ mta_getattr_spool(postgresql_t)
+
+-tunable_policy(`allow_execmem',`
++tunable_policy(`deny_execmem',`',`
+ allow postgresql_t self:process execmem;
+ ')
+
+diff -up serefpolicy-3.10.0/policy/modules/services/xserver.te.denyexecmem serefpolicy-3.10.0/policy/modules/services/xserver.te
+--- serefpolicy-3.10.0/policy/modules/services/xserver.te.denyexecmem 2011-11-08 16:11:51.969047589 -0500
++++ serefpolicy-3.10.0/policy/modules/services/xserver.te 2011-11-08 16:11:52.037047551 -0500
+@@ -1412,7 +1412,7 @@ tunable_policy(`allow_xserver_execmem',`
+ ')
+
+ # Hack to handle the problem of using the nvidia blobs
+-tunable_policy(`allow_execmem',`
++tunable_policy(`deny_execmem',`',`
+ allow xdm_t self:process execmem;
+ ')
+
+diff -up serefpolicy-3.10.0/policy/modules/system/unconfined.if.denyexecmem serefpolicy-3.10.0/policy/modules/system/unconfined.if
+--- serefpolicy-3.10.0/policy/modules/system/unconfined.if.denyexecmem 2011-11-08 16:11:51.983047584 -0500
++++ serefpolicy-3.10.0/policy/modules/system/unconfined.if 2011-11-08 16:11:52.038047550 -0500
+@@ -63,16 +63,14 @@ interface(`unconfined_domain_noaudit',`
+ allow $1 self:process execheap;
+ ')
+
+- tunable_policy(`allow_execmem',`
++ tunable_policy(`deny_execmem',`',`
+ # Allow making anonymous memory executable, e.g.
+ # for runtime-code generation or executable stack.
+ allow $1 self:process execmem;
+ ')
+
+ tunable_policy(`allow_execstack',`
+- # Allow making the stack executable via mprotect;
+- # execstack implies execmem;
+- allow $1 self:process { execstack execmem };
++ allow $1 self:process execstack;
+ # auditallow $1 self:process execstack;
+ ')
+
+diff -up serefpolicy-3.10.0/policy/modules/system/userdomain.if.denyexecmem serefpolicy-3.10.0/policy/modules/system/userdomain.if
+--- serefpolicy-3.10.0/policy/modules/system/userdomain.if.denyexecmem 2011-11-08 16:11:51.986047581 -0500
++++ serefpolicy-3.10.0/policy/modules/system/userdomain.if 2011-11-08 16:11:52.041047550 -0500
+@@ -149,12 +149,12 @@ template(`userdom_base_user_template',`
+
+ systemd_dbus_chat_logind($1_usertype)
+
+- tunable_policy(`allow_execmem',`
++ tunable_policy(`deny_execmem',`', `
+ # Allow loading DSOs that require executable stack.
+ allow $1_t self:process execmem;
+ ')
+
+- tunable_policy(`allow_execmem && allow_execstack',`
++ tunable_policy(`allow_execstack',`
+ # Allow making the stack executable via mprotect.
+ allow $1_t self:process execstack;
+ ')
+diff -up serefpolicy-3.10.0/policy/modules/apps/mplayer.te~ serefpolicy-3.10.0/policy/modules/apps/mplayer.te
+diff -up serefpolicy-3.10.0/policy/modules/apps/sandbox.te~ serefpolicy-3.10.0/policy/modules/apps/sandbox.te
+--- serefpolicy-3.10.0/policy/modules/apps/sandbox.te~ 2011-11-08 16:12:17.701033064 -0500
++++ serefpolicy-3.10.0/policy/modules/apps/sandbox.te 2011-11-08 16:24:21.364582225 -0500
+@@ -40,7 +40,12 @@ files_type(sandbox_devpts_t)
+ #
+ # sandbox xserver policy
+ #
+-allow sandbox_xserver_t self:process { execmem execstack };
++allow sandbox_xserver_t self:process execstack;
++
++tunable_policy(`deny_execmem',`',`
++ allow sandbox_xserver_t self:process execmem;
++')
++
+ allow sandbox_xserver_t self:fifo_file manage_fifo_file_perms;
+ allow sandbox_xserver_t self:shm create_shm_perms;
+ allow sandbox_xserver_t self:tcp_socket create_stream_socket_perms;
+@@ -119,7 +124,11 @@ optional_policy(`
+ # sandbox local policy
+ #
+
+-allow sandbox_domain self:process { getattr signal_perms getsched setsched setpgid execstack execmem };
++allow sandbox_domain self:process { getattr signal_perms getsched setsched setpgid execstack };
++tunable_policy(`deny_execmem',`',`
++ allow sandbox_domain self:process execmem;
++')
++
+ allow sandbox_domain self:fifo_file manage_file_perms;
+ allow sandbox_domain self:sem create_sem_perms;
+ allow sandbox_domain self:shm create_shm_perms;
+@@ -168,7 +177,11 @@ mta_dontaudit_read_spool_symlinks(sandbo
+ #
+ # sandbox_x_domain local policy
+ #
+-allow sandbox_x_domain self:process { getattr signal_perms getsched setsched setpgid execstack execmem };
++allow sandbox_x_domain self:process { getattr signal_perms getsched setsched setpgid execstack };
++tunable_policy(`deny_execmem',`',`
++ allow sandbox_x_domain self:process execmem;
++')
++
+ allow sandbox_x_domain self:fifo_file manage_file_perms;
+ allow sandbox_x_domain self:sem create_sem_perms;
+ allow sandbox_x_domain self:shm create_shm_perms;
+diff -up serefpolicy-3.10.0/policy/modules/apps/thumb.te~ serefpolicy-3.10.0/policy/modules/apps/thumb.te
+--- serefpolicy-3.10.0/policy/modules/apps/thumb.te~ 2011-11-08 16:12:17.709033060 -0500
++++ serefpolicy-3.10.0/policy/modules/apps/thumb.te 2011-11-08 16:23:18.017395117 -0500
+@@ -19,7 +19,12 @@ ubac_constrained(thumb_tmp_t)
+ # thumb local policy
+ #
+
+-allow thumb_t self:process { setsched signal setrlimit execmem };
++allow thumb_t self:process { setsched signal setrlimit };
++
++tunable_policy(`deny_execmem',`',`
++ allow thumb_t self:process execmem;
++')
++
+ allow thumb_t self:fifo_file manage_fifo_file_perms;
+ allow thumb_t self:unix_stream_socket create_stream_socket_perms;
+ allow thumb_t self:netlink_route_socket r_netlink_socket_perms;
+diff -up serefpolicy-3.10.0/policy/modules/roles/xguest.te~ serefpolicy-3.10.0/policy/modules/roles/xguest.te
+--- serefpolicy-3.10.0/policy/modules/roles/xguest.te~ 2011-11-08 16:12:18.349032697 -0500
++++ serefpolicy-3.10.0/policy/modules/roles/xguest.te 2011-11-08 16:21:44.303111563 -0500
+@@ -54,7 +54,6 @@ optional_policy(`
+ mount_dontaudit_exec_fusermount(xguest_t)
+ ')
+
+-allow xguest_t self:process execmem;
+ kernel_dontaudit_request_load_module(xguest_t)
+
+ tunable_policy(`allow_execstack',`
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