Date: Mon, 28 Feb 2011 15:28:47 -0800 From: Kees Cook <kees@...ntu.com> To: oss-security@...ts.openwall.com Subject: Re: CVE request: kernel: OOM-killer via argv expansion On Mon, Feb 28, 2011 at 01:02:02PM -0800, Kees Cook wrote: > On Mon, Feb 28, 2011 at 12:32:55PM -0800, Kees Cook wrote: > > I think the flaw with argv-expansion triggering the OOM-killer > > incorrectly needs its own CVE. > > > > While the stack guard page and the fixes for CVE-2010-3858 certainly > > improved things, argv expansion can still be tricked into OOM-killing the > > entire system. Solutions were discussed on the original thread, but > > were not finished. Recently a set of patches has been re-proposed to fix > > this issue. Regardless, it should probably get its own CVE assigned. > > > > Thanks, > > > > -Kees > > > >  https://lkml.org/lkml/2010/8/27/429 > >  http://git.kernel.org/linus/1b528181b2ffa14721fb28ad1bd539fe1732c583 > >  https://lkml.org/lkml/2011/2/25/227 > > Sorry, Nelson Elhage pointed out to me that I missed the fix for this > issue. The issue was been fixed with: > http://git.kernel.org/linus/3c77f845722158206a7209c45ccddc264d19319c > > This was already assigned as CVE-2010-4243 > > Sorry for the noise, and thanks! Wait, I will continue to make more noise. The upstream commit 3c77f845722158206a7209c45ccddc264d19319c does not handle the compat case, which https://lkml.org/lkml/2011/2/25/227 is trying to handle. Does this need its own CVE? Thanks, -Kees -- Kees Cook Ubuntu Security Team
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