diff --git a/0027-polkit-Avoid-race-condition-in-scraping-proc.patch b/0027-polkit-Avoid-race-condition-in-scraping-proc.patch
new file mode 100644
index 0000000..1ba391e
--- /dev/null
+++ b/0027-polkit-Avoid-race-condition-in-scraping-proc.patch
@@ -0,0 +1,75 @@
+From 72fd713962ca2c2450e23b01d9e22017a7e28fd4 Mon Sep 17 00:00:00 2001
+From: Colin Walters <walters@verbum.org>
+Date: Thu, 22 Aug 2013 13:55:21 -0400
+Subject: [PATCH] polkit: Avoid race condition in scraping /proc
+
+If a calling process execve()s a setuid program, it can appear to be
+uid 0. Since we're receiving requests over DBus, avoid this by simply
+passing system-bus-name as a subject.
+---
+ src/shared/polkit.c | 31 +++++--------------------------
+ 1 file changed, 5 insertions(+), 26 deletions(-)
+
+diff --git a/src/shared/polkit.c b/src/shared/polkit.c
+index cea7074..1c5e9e3 100644
+--- a/src/shared/polkit.c
++++ b/src/shared/polkit.c
+@@ -38,12 +38,8 @@ int verify_polkit(
+
+ #ifdef ENABLE_POLKIT
+ DBusMessage *m = NULL, *reply = NULL;
+- const char *unix_process = "unix-process", *pid = "pid", *starttime = "start-time", *cancel_id = "";
++ const char *system_bus_name = "system-bus-name", *name = "name", *cancel_id = "";
+ uint32_t flags = interactive ? 1 : 0;
+- pid_t pid_raw;
+- uint32_t pid_u32;
+- unsigned long long starttime_raw;
+- uint64_t starttime_u64;
+ DBusMessageIter iter_msg, iter_struct, iter_array, iter_dict, iter_variant;
+ int r;
+ dbus_bool_t authorized = FALSE, challenge = FALSE;
+@@ -68,14 +64,6 @@ int verify_polkit(
+
+ #ifdef ENABLE_POLKIT
+
+- pid_raw = bus_get_unix_process_id(c, sender, error);
+- if (pid_raw == 0)
+- return -EINVAL;
+-
+- r = get_starttime_of_pid(pid_raw, &starttime_raw);
+- if (r < 0)
+- return r;
+-
+ m = dbus_message_new_method_call(
+ "org.freedesktop.PolicyKit1",
+ "/org/freedesktop/PolicyKit1/Authority",
+@@ -86,22 +74,13 @@ int verify_polkit(
+
+ dbus_message_iter_init_append(m, &iter_msg);
+
+- pid_u32 = (uint32_t) pid_raw;
+- starttime_u64 = (uint64_t) starttime_raw;
+-
+ if (!dbus_message_iter_open_container(&iter_msg, DBUS_TYPE_STRUCT, NULL, &iter_struct) ||
+- !dbus_message_iter_append_basic(&iter_struct, DBUS_TYPE_STRING, &unix_process) ||
++ !dbus_message_iter_append_basic(&iter_struct, DBUS_TYPE_STRING, &system_bus_name) ||
+ !dbus_message_iter_open_container(&iter_struct, DBUS_TYPE_ARRAY, "{sv}", &iter_array) ||
+ !dbus_message_iter_open_container(&iter_array, DBUS_TYPE_DICT_ENTRY, NULL, &iter_dict) ||
+- !dbus_message_iter_append_basic(&iter_dict, DBUS_TYPE_STRING, &pid) ||
+- !dbus_message_iter_open_container(&iter_dict, DBUS_TYPE_VARIANT, "u", &iter_variant) ||
+- !dbus_message_iter_append_basic(&iter_variant, DBUS_TYPE_UINT32, &pid_u32) ||
+- !dbus_message_iter_close_container(&iter_dict, &iter_variant) ||
+- !dbus_message_iter_close_container(&iter_array, &iter_dict) ||
+- !dbus_message_iter_open_container(&iter_array, DBUS_TYPE_DICT_ENTRY, NULL, &iter_dict) ||
+- !dbus_message_iter_append_basic(&iter_dict, DBUS_TYPE_STRING, &starttime) ||
+- !dbus_message_iter_open_container(&iter_dict, DBUS_TYPE_VARIANT, "t", &iter_variant) ||
+- !dbus_message_iter_append_basic(&iter_variant, DBUS_TYPE_UINT64, &starttime_u64) ||
++ !dbus_message_iter_append_basic(&iter_dict, DBUS_TYPE_STRING, &name) ||
++ !dbus_message_iter_open_container(&iter_dict, DBUS_TYPE_VARIANT, "s", &iter_variant) ||
++ !dbus_message_iter_append_basic(&iter_variant, DBUS_TYPE_STRING, &sender) ||
+ !dbus_message_iter_close_container(&iter_dict, &iter_variant) ||
+ !dbus_message_iter_close_container(&iter_array, &iter_dict) ||
+ !dbus_message_iter_close_container(&iter_struct, &iter_array) ||
+--
+1.8.3.1
+
diff --git a/systemd.spec b/systemd.spec
index 3821e5a..a876d2b 100644
--- a/systemd.spec
+++ b/systemd.spec
@@ -16,7 +16,7 @@
Name: systemd
Url: http://www.freedesktop.org/wiki/Software/systemd
Version: 207
-Release: 3%{?gitcommit:.git%{gitcommit}}%{?dist}
+Release: 4%{?gitcommit:.git%{gitcommit}}%{?dist}
# For a breakdown of the licensing, see README
License: LGPLv2+ and MIT and GPLv2+
Summary: A System and Service Manager
@@ -60,6 +60,7 @@ Patch0023: 0023-Verify-validity-of-session-name-when-received-from-o.patch
Patch0024: 0024-udev-rules-avoid-erroring-on-trailing-whitespace.patch
Patch0025: 0025-keymap-Add-Samsung-Series-5-Ultra.patch
Patch0026: 0026-login-fix-login_is_valid-test.patch
+Patch0027: 0027-polkit-Avoid-race-condition-in-scraping-proc.patch
# kernel-install patch for grubby, drop if grubby is obsolete
Patch1000: kernel-install-grubby.patch
@@ -691,6 +692,10 @@ getent passwd systemd-journal-gateway >/dev/null 2>&1 || useradd -r -l -u 191 -g
%{_datadir}/systemd/gatewayd
%changelog
+* Wed Sep 18 2013 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> 207-4
+- Fix policykit authentication
+Resolves: rhbz#1006680
+
* Tue Sep 17 2013 Harald Hoyer <harald@redhat.com> 207-3
- fixed login
Resolves: rhbz#1005233