CVE-2012-2383 - Stocked Crosses

Description

Integer overflow in the i915_gem_execbuffer2 function in drivers/gpu/drm/i915/i915_gem_execbuffer.c in the Direct Rendering Manager (DRM) subsystem in the Linux kernel before 3.3.5 on 32-bit platforms allows local users to cause a denial of service (out-of-bounds write) or possibly have unspecified other impact via a crafted ioctl call.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ed8cd3b2cd61004cab85380c52b1817aca1ca49b https://github.com/torvalds/linux/commit/ed8cd3b2cd61004cab85380c52b1817aca1ca49b http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.5 http://www.openwall.com/lists/oss-security/2012/05/22/8 https://bugzilla.redhat.com/show_bug.cgi?id=824176 http://rhn.redhat.com/errata/RHSA-2012-1156.html http://www.securityfocus.com/bid/53971 http://marc.info/?l=bugtraq&m=139447903326211&w=2