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://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
http://secunia.com/advisories/41512
http://www.debian.org/security/2010/dsa-2094
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.53
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.32.21
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.34.6
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35.4
http://www.mandriva.com/security/advisories?name=MDVSA-2010:198
http://www.redhat.com/support/errata/RHSA-2010-0842.html
http://www.vupen.com/english/advisories/2010/2430