Per your request, I've added the drivers you listed to the sl-testing 
repo.  I went ahead and just put the entire crop of them up there.

i386:

xorg-x11-drivers-7.3-13.3.el6.i686.rpm
xorg-x11-drv-acecad-1.5.0-3.el6.i686.rpm
xorg-x11-drv-aiptek-1.4.1-2.el6.i686.rpm
xorg-x11-drv-apm-1.2.3-2.el6.i686.rpm
xorg-x11-drv-ast-0.91.10-1.el6.i686.rpm
xorg-x11-drv-ati-6.14.2-9.el6.i686.rpm
xorg-x11-drv-ati-firmware-6.14.2-9.el6.noarch.rpm
xorg-x11-drv-cirrus-1.3.2-2.el6.i686.rpm
xorg-x11-drv-dummy-0.3.4-1.el6.i686.rpm
xorg-x11-drv-elographics-1.3.0-2.el6.i686.rpm
xorg-x11-drv-evdev-2.6.0-2.el6.i686.rpm
xorg-x11-drv-evdev-devel-2.6.0-2.el6.i686.rpm
xorg-x11-drv-fbdev-0.4.2-2.el6.i686.rpm
xorg-x11-drv-fpit-1.4.0-2.el6.i686.rpm
xorg-x11-drv-geode-2.11.12-1.el6.i686.rpm
xorg-x11-drv-glint-1.2.5-1.el6.i686.rpm
xorg-x11-drv-hyperpen-1.4.1-2.el6.i686.rpm
xorg-x11-drv-i128-1.3.4-1.el6.i686.rpm
xorg-x11-drv-i740-1.3.2-2.el6.i686.rpm
xorg-x11-drv-intel-2.16.0-4.el6.i686.rpm
xorg-x11-drv-intel-devel-2.16.0-4.el6.i686.rpm
xorg-x11-drv-keyboard-1.6.0-1.el6.i686.rpm
xorg-x11-drv-mach64-6.9.0-1.el6.i686.rpm
xorg-x11-drv-mga-1.4.13-7.el6.i686.rpm
xorg-x11-drv-mouse-1.7.0-4.el6.i686.rpm
xorg-x11-drv-mutouch-1.3.0-2.el6.i686.rpm
xorg-x11-drv-neomagic-1.2.5-1.el6.i686.rpm
xorg-x11-drv-nouveau-0.0.16-13.20110719gitde9d1ba.el6.i686.rpm
xorg-x11-drv-nv-2.1.18-2.el6.i686.rpm
xorg-x11-drv-openchrome-0.2.904-4.el6.i686.rpm
xorg-x11-drv-openchrome-devel-0.2.904-4.el6.i686.rpm
xorg-x11-drv-penmount-1.5.0-2.el6.i686.rpm
xorg-x11-drv-qxl-0.0.14-13.el6_2.i686.rpm
xorg-x11-drv-r128-6.8.1-3.el6.i686.rpm
xorg-x11-drv-rendition-4.2.4-1.el6.i686.rpm
xorg-x11-drv-s3virge-1.10.4-2.el6.i686.rpm
xorg-x11-drv-savage-2.3.2-1.el6.i686.rpm
xorg-x11-drv-siliconmotion-1.7.5-1.el6.i686.rpm
xorg-x11-drv-sis-0.10.3-1.el6.i686.rpm
xorg-x11-drv-sisusb-0.9.4-1.el6.i686.rpm
xorg-x11-drv-synaptics-1.4.1-3.el6.i686.rpm
xorg-x11-drv-synaptics-devel-1.4.1-3.el6.i686.rpm
xorg-x11-drv-tdfx-1.4.3-2.el6.i686.rpm
xorg-x11-drv-trident-1.3.4-1.el6.i686.rpm
xorg-x11-drv-v4l-0.2.0-4.el6.i686.rpm
xorg-x11-drv-vesa-2.3.0-2.el6.i686.rpm
xorg-x11-drv-vmmouse-12.7.0-1.el6.i686.rpm
xorg-x11-drv-vmware-11.0.3-1.el6.i686.rpm
xorg-x11-drv-void-1.4.0-1.el6.i686.rpm
xorg-x11-drv-voodoo-1.2.4-1.el6.i686.rpm
xorg-x11-drv-wacom-0.13.0-6.el6.i686.rpm
xorg-x11-drv-wacom-devel-0.13.0-6.el6.i686.rpm
xorg-x11-drv-xgi-1.6.0-11.el6.i686.rpm


x86_64:

xorg-x11-drv-acecad-1.5.0-3.el6.x86_64.rpm
xorg-x11-drv-aiptek-1.4.1-2.el6.x86_64.rpm
xorg-x11-drv-apm-1.2.3-2.el6.x86_64.rpm
xorg-x11-drv-ast-0.91.10-1.el6.x86_64.rpm
xorg-x11-drv-ati-6.14.2-9.el6.x86_64.rpm
xorg-x11-drv-ati-firmware-6.14.2-9.el6.noarch.rpm
xorg-x11-drv-cirrus-1.3.2-2.el6.x86_64.rpm
xorg-x11-drv-dummy-0.3.4-1.el6.x86_64.rpm
xorg-x11-drv-elographics-1.3.0-2.el6.x86_64.rpm
xorg-x11-drv-evdev-2.6.0-2.el6.x86_64.rpm
xorg-x11-drv-evdev-devel-2.6.0-2.el6.i686.rpm
xorg-x11-drv-evdev-devel-2.6.0-2.el6.x86_64.rpm
xorg-x11-drv-fbdev-0.4.2-2.el6.x86_64.rpm
xorg-x11-drv-fpit-1.4.0-2.el6.x86_64.rpm
xorg-x11-drv-glint-1.2.5-1.el6.x86_64.rpm
xorg-x11-drv-hyperpen-1.4.1-2.el6.x86_64.rpm
xorg-x11-drv-i128-1.3.4-1.el6.x86_64.rpm
xorg-x11-drv-i740-1.3.2-2.el6.x86_64.rpm
xorg-x11-drv-intel-2.16.0-4.el6.i686.rpm
xorg-x11-drv-intel-2.16.0-4.el6.x86_64.rpm
xorg-x11-drv-intel-devel-2.16.0-4.el6.i686.rpm
xorg-x11-drv-intel-devel-2.16.0-4.el6.x86_64.rpm
xorg-x11-drv-keyboard-1.6.0-1.el6.x86_64.rpm
xorg-x11-drv-mach64-6.9.0-1.el6.x86_64.rpm
xorg-x11-drv-mga-1.4.13-7.el6.x86_64.rpm
xorg-x11-drv-mouse-1.7.0-4.el6.x86_64.rpm
xorg-x11-drv-mutouch-1.3.0-2.el6.x86_64.rpm
xorg-x11-drv-nouveau-0.0.16-13.20110719gitde9d1ba.el6.x86_64.rpm
xorg-x11-drv-nv-2.1.18-2.el6.x86_64.rpm
xorg-x11-drv-openchrome-0.2.904-4.el6.i686.rpm
xorg-x11-drv-openchrome-0.2.904-4.el6.x86_64.rpm
xorg-x11-drv-openchrome-devel-0.2.904-4.el6.i686.rpm
xorg-x11-drv-openchrome-devel-0.2.904-4.el6.x86_64.rpm
xorg-x11-drv-penmount-1.5.0-2.el6.x86_64.rpm
xorg-x11-drv-qxl-0.0.14-13.el6_2.x86_64.rpm
xorg-x11-drv-r128-6.8.1-3.el6.x86_64.rpm
xorg-x11-drv-rendition-4.2.4-1.el6.x86_64.rpm
xorg-x11-drv-s3virge-1.10.4-2.el6.x86_64.rpm
xorg-x11-drv-savage-2.3.2-1.el6.x86_64.rpm
xorg-x11-drv-siliconmotion-1.7.5-1.el6.x86_64.rpm
xorg-x11-drv-sis-0.10.3-1.el6.x86_64.rpm
xorg-x11-drv-sisusb-0.9.4-1.el6.x86_64.rpm
xorg-x11-drv-synaptics-1.4.1-3.el6.x86_64.rpm
xorg-x11-drv-synaptics-devel-1.4.1-3.el6.i686.rpm
xorg-x11-drv-synaptics-devel-1.4.1-3.el6.x86_64.rpm
xorg-x11-drv-tdfx-1.4.3-2.el6.x86_64.rpm
xorg-x11-drv-trident-1.3.4-1.el6.x86_64.rpm
xorg-x11-drv-v4l-0.2.0-4.el6.x86_64.rpm
xorg-x11-drv-vesa-2.3.0-2.el6.x86_64.rpm
xorg-x11-drv-vmmouse-12.7.0-1.el6.x86_64.rpm
xorg-x11-drv-vmware-11.0.3-1.el6.x86_64.rpm
xorg-x11-drv-void-1.4.0-1.el6.x86_64.rpm
xorg-x11-drv-voodoo-1.2.4-1.el6.x86_64.rpm
xorg-x11-drv-wacom-0.13.0-6.el6.x86_64.rpm
xorg-x11-drv-wacom-devel-0.13.0-6.el6.i686.rpm
xorg-x11-drv-wacom-devel-0.13.0-6.el6.x86_64.rpm
xorg-x11-drv-xgi-1.6.0-11.el6.x86_64.rpm



On 07/11/2012 03:56 PM, Boris Goldowsky wrote:
> It appears that we need rebuilt versions of xorg-x11-drv-fbdev and xorg-x11-drv-vesa as well, at least on my system.
>
> Boris
>
> On Jul 11, 2012, at 3:08 PM, "Pat Riehecky"<[log in to unmask]>  wrote:
>
>> The updated xorg drivers that were released as a part of upstream's 6.3 release have been posted to
>>
>> ftp://ftp.scientificlinux.org/linux/scientific/6rolling/testing/i386/
>> ftp://ftp.scientificlinux.org/linux/scientific/6rolling/testing/x86_64/
>>
>> These packages may address some of the xorg issues encountered with the last security update.
>>
>>
>> yum --enablerepo=sl-testing update<package you wish to test>
>>
>>
>> As a reminder, this update was posted for testing on June 29th.  There were no reports of X related problems during this 12 day window.
>>
>> All problem reports provided during that window were corrected.
>>
>> http://listserv.fnal.gov/scripts/wa.exe?A2=ind1206&L=scientific-linux-users&X=766B912E1DB10315B7&P=24553
>>
>>
>> i386:
>>     xorg-x11-drv-ati-6.14.2-9.el6.i686.rpm
>>     xorg-x11-drv-ati-firmware-6.14.2-9.el6.noarch.rpm
>>     xorg-x11-drv-intel-2.16.0-4.el6.i686.rpm
>>     xorg-x11-drv-intel-devel-2.16.0-4.el6.i686.rpm
>>     xorg-x11-drv-mga-1.4.13-7.el6.i686.rpm
>>     xorg-x11-drv-wacom-0.13.0-6.el6.i686.rpm
>>     xorg-x11-drv-wacom-devel-0.13.0-6.el6.i686.rpm
>>
>> x86_64:
>>     xorg-x11-drv-ati-6.14.2-9.el6.x86_64.rpm
>>     xorg-x11-drv-ati-firmware-6.14.2-9.el6.noarch.rpm
>>     xorg-x11-drv-intel-2.16.0-4.el6.i686.rpm
>>     xorg-x11-drv-intel-2.16.0-4.el6.x86_64.rpm
>>     xorg-x11-drv-intel-devel-2.16.0-4.el6.i686.rpm
>>     xorg-x11-drv-intel-devel-2.16.0-4.el6.x86_64.rpm
>>     xorg-x11-drv-mga-1.4.13-7.el6.x86_64.rpm
>>     xorg-x11-drv-wacom-0.13.0-6.el6.x86_64.rpm
>>     xorg-x11-drv-wacom-devel-0.13.0-6.el6.i686.rpm
>>     xorg-x11-drv-wacom-devel-0.13.0-6.el6.x86_64.rpm


-- 
Pat Riehecky
Scientific Linux Developer