Bug#656410:

[Olivier Berger <olivier.berger@it-sudparis.eu>]

On Thu, Jan 19, 2012 at 12:53:24AM -0500, Michael Gilbert wrote:
> Temporary solution:
> http://openwall.com/lists/oss-security/2012/01/19/7
> 

I've tested the following workaround :
xmodmap -e 'keysym 0x1008fe21 = KP_Multiply'
and restarting gnome-screensaver if it was killed previously ;)

Workaround source : http://linuxfr.org/users/moules/journaux/faille-xorg-111

Hope this helps.

Best regards,
-- 
Olivier BERGER 
http://www-public.it-sudparis.eu/~berger_o/ - OpenPGP-Id: 2048R/5819D7E8
Ingenieur Recherche - Dept INF
Institut TELECOM, SudParis (http://www.it-sudparis.eu/), Evry (France)