Date: Wed, 11 Jan 2012 17:09:02 -0700 From: Kurt Seifried <kseifried@...hat.com> To: oss-security@...ts.openwall.com CC: Eugene Teo <eugene@...hat.com>, "Steven M. Christey" <coley@...us.mitre.org> Subject: Re: CVE request - kernel: drm: integer overflow in drm_mode_dirtyfb_ioctl() On 01/11/2012 03:50 AM, Eugene Teo wrote: > There is a potential integer overflow in drm_mode_dirtyfb_ioctl() if > userspace passes in a large num_clips. The call to kmalloc would > allocate a small buffer, and the call to fb->funcs->dirty may result in > a memory corruption. > > Reported-by: Haogang Chen <haogangchen@...il.com> > Signed-off-by: Xi Wang <xi.wang@...il.com> > > Upstream commit: > http://git.kernel.org/linus/a5cd335165e31db9dbab636fd29895d41da55dd2 Please use CVE-2012-0044 for this issue. -- -- Kurt Seifried / Red Hat Security Response Team
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