diff -u fglrx-installer-8.723.1/debian/dkms.conf.in fglrx-installer-8.723.1/debian/dkms.conf.in
--- fglrx-installer-8.723.1/debian/dkms.conf.in
+++ fglrx-installer-8.723.1/debian/dkms.conf.in
@@ -11,0 +12 @@
+PATCH[2]="fix_alloc_user_space32.patch"
diff -u fglrx-installer-8.723.1/debian/changelog fglrx-installer-8.723.1/debian/changelog
--- fglrx-installer-8.723.1/debian/changelog
+++ fglrx-installer-8.723.1/debian/changelog
@@ -1,3 +1,11 @@
+fglrx-installer (2:8.723.1-0ubuntu5) lucid-proposed; urgency=low
+
+  * Patch KCL_IOCTL_AllocUserSpace32 to work around
+    compat_alloc_user_space being newly GPL-only. This was causing a FTBFS
+    on kernels with the fix for CVE-2010-3081 (LP: #642518).
+
+ -- Evan Broder <broder@mit.edu>  Sat, 18 Sep 2010 22:51:51 -0700
+
 fglrx-installer (2:8.723.1-0ubuntu4) lucid-proposed; urgency=low
 
   * Remove /etc/ati only after calling the fglrx-uninstall.sh
only in patch2:
unchanged:
--- fglrx-installer-8.723.1.orig/debian/dkms/patches/fix_alloc_user_space32.patch
+++ fglrx-installer-8.723.1/debian/dkms/patches/fix_alloc_user_space32.patch
@@ -0,0 +1,20 @@
+--- a/kcl_ioctl.c	2010-09-18 23:36:34.183148540 -0700
++++ b/kcl_ioctl.c	2010-09-18 23:38:23.043412880 -0700
+@@ -193,7 +193,16 @@
+  */
+ void* ATI_API_CALL KCL_IOCTL_AllocUserSpace32(long size)
+ {
+-    return compat_alloc_user_space(size);
++    void __user *space;
++
++    space = arch_compat_alloc_user_space(size);
++
++    /* Avoid CVE-2010-3081 by checking access_ok ourselves */
++    if (!access_ok(VERIFY_WRITE, space, size)) {
++        return NULL;
++    }
++
++    return space;
+ }
+ 
+ #endif // __x86_64__