diff --git a/UserManual.pdf b/UserManual.pdf
index f49c7fe..774fec3 100644
--- a/UserManual.pdf
+++ b/UserManual.pdf
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:2d6338cb27953976c322888301df1c457f32e044f3c019f61addd6e8c0545c7e
-size 6298827
+oid sha256:4402fe9c7b7df4a850786d4e1ad7a38958e715fbf7716ff8d178d1f3b172a119
+size 6306888
diff --git a/VirtualBox-4.3.22-patched.tar.bz2 b/VirtualBox-4.3.22-patched.tar.bz2
deleted file mode 100644
index 6ba9690..0000000
--- a/VirtualBox-4.3.22-patched.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a3dac5cc476c8ce14e830cb25037b45fdd49edb9b9194e108d8c342eedb1b6f8
-size 74530135
diff --git a/VirtualBox-4.3.24-patched.tar.bz2 b/VirtualBox-4.3.24-patched.tar.bz2
new file mode 100644
index 0000000..28a390d
--- /dev/null
+++ b/VirtualBox-4.3.24-patched.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:645e70a1adb11f8cdd0d3918f9ddb5717889cddb66825b97b3061445b09cd7af
+size 74529955
diff --git a/virtualbox.changes b/virtualbox.changes
index 2e5f501..bb11c08 100644
--- a/virtualbox.changes
+++ b/virtualbox.changes
@@ -1,3 +1,29 @@
+-------------------------------------------------------------------
+Wed Mar  4 11:41:54 UTC 2015 - tchvatal@suse.com
+
+- Version bump to 2.3.24:
+  * VMM: emulation fix for the ENTER instruction under certain conditions; fixes
+    Solaris 10 guests (VT-x without unrestricted guest execution)
+  * VMM: fix for handling NMIs on Linux hosts with X2APIC enabled
+  * NAT/NAT Network: fix connection drops when the host's DHCP lease was renewed
+    (4.3.22 regression; Windows hosts only; bug #13839)
+  * NAT: don't crash on an empty domain list when switching the DNS host
+    configuration (4.3.22 regression; Mac OS X hosts only; bug #13874)
+  * PXE: re-enable it on Windows hosts (4.3.22 regression; Windows hosts only; bug
+    #13842)
+  * Shared Folders: fixed a problem with Windows guests (4.3.22 regression; bug
+    #13786)
+  * Audio: improved record quality when using the DirectSound audio backend
+  * VBoxManage: when executing the controlvm command take care that the
+    corresponding VM runtime changes are saved permanently (bug #13892)
+  * Windows Installer: properly install the 32-bit version of VBoxRes.dll on 32-bit
+    hosts (bug #13876)
+  * Linux hosts / guests: Linux 4.0 fixes (bug #13835)
+  * OS/2 Additions: fixed mouse integration (4.3.22 regression; bug #13825)
+  * X11 Additions: fixed a sporadic failure to deactivate virtual screens (bug
+    #13845)
+- Use smp_mflags when building kernel modules
+
 -------------------------------------------------------------------
 Thu Feb 26 18:13:18 UTC 2015 - wbauer@tmo.at
 
diff --git a/virtualbox.spec b/virtualbox.spec
index 1c7a695..b2a353a 100644
--- a/virtualbox.spec
+++ b/virtualbox.spec
@@ -19,7 +19,7 @@
 %define _vbox_instdir  %{_libexecdir}/virtualbox
 %define _udevrulesdir %{_libexecdir}/udev/rules.d
 Name:           virtualbox
-Version:        4.3.22
+Version:        4.3.24
 Release:        0
 Summary:        VirtualBox is an Emulator
 License:        GPL-2.0+
@@ -293,6 +293,7 @@ rm -rf src/libs/{libpng-*,libxml2-*,libxslt-*,zlib-*,boost-*}
 
 #	--disable-kmods		don't build Linux kernel modules -  but use SUSE specific way see few lines under
 #	--nofatal		try to avoid build fail caused by missing makeself package
+# NOT an autoconf configure macro
 ./configure \
 	--enable-vnc \
 	--enable-vde \
@@ -344,7 +345,7 @@ for vbox_module in out/linux.*/release/bin/src/vbox{drv,netflt,netadp,pci} \
 	          $PWD/modules_build_dir/$flavor/$module_name
 	fi
 	# build the module for the specific flavor
-	make -C %{_prefix}/src/linux-obj/%{_target_cpu}/$flavor modules \
+	make %{?_smp_mflags} -C %{_prefix}/src/linux-obj/%{_target_cpu}/$flavor modules \
 		M=$PWD/modules_build_dir/$flavor/$module_name
     done
 done
@@ -382,7 +383,7 @@ do
 	#and trought the all flavors
 	for flavor in %{flavors_to_build}; do
 	#to install modules use Makefile from %{_prefix}/src/linux-obj/%_target_cpu/$flavor and builds from $PWD/modules_build_dir/$flavor/$module_name
-    	make -C %{_prefix}/src/linux-obj/%{_target_cpu}/$flavor modules_install M=$PWD/modules_build_dir/$flavor/$module_name
+    	make %{?_smp_mflags} -C %{_prefix}/src/linux-obj/%{_target_cpu}/$flavor modules_install M=$PWD/modules_build_dir/$flavor/$module_name
     done
 done