The drm_ioctl function in drivers/gpu/drm/drm_drv.c in the Direct Rendering Manager (DRM) subsystem in the Linux kernel before 2.6.27.53, 2.6.32.x before 2.6.32.21, 2.6.34.x before 2.6.34.6, and 2.6.35.x before 2.6.35.4 allows local users to obtain potentially sensitive information from kernel memory by requesting a large memory-allocation amount.
http://www.debian.org/security/2010/dsa-2094
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html
https://euvd.enisa.europa.eu/vulnerability/EUVD-2010-2807
https://bugzilla.redhat.com/show_bug.cgi?id=621435
http://www.vupen.com/english/advisories/2011/0298
http://www.vupen.com/english/advisories/2010/2430
http://www.redhat.com/support/errata/RHSA-2010-0842.html
http://www.mandriva.com/security/advisories?name=MDVSA-2010:198
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35.4
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.34.6
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.32.21
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.53