Re: [gentoo-security] Kernel Security + KISS

["Eduardo Tongson" <propolice@gmail.com>]

Alright how do we proceed to get this team started.

  ed*eonsec

On Thu, Feb 21, 2008 at 6:55 AM, Ned Ludd <solar@gentoo.org> wrote:
>
>
>  On Wed, 2008-02-20 at 13:59 -0500, Harlan Lieberman-Berg wrote:
>  > On Sunday 17 February 2008 23:12:35 Robert Buchholz wrote:
>  > > On Sunday, 17. February 2008, Eduardo Tongson wrote:
>  > > > What specific kernel knowledge is needed to get a Kernel advisory up
>  > > > and running ?
>  > >
>  > > Between becoming aware of a vulnerability in Linux and drafting an advisory
>  > > for one or all kernel sources comes the part where you review which
>  > > versions of which kernel sources are affected and unaffected. You also
>  > > need to pay attention to specifics of the added patchsets, which might
>  > > duplicate vulnerabilities.
>  > >
>  > > Parts of the job can indeed be done without Kernel and C knowledge, but
>  > > some cannot. So if we draft a new kernel security *team*, people without C
>  > > and kernel knowledge are helpful -- some others need to have it, though.
>  > >
>  > > Robert
>  >
>  > To be honest, 99% of what is done in the kernel security team can be done with
>  > no C knowledge at all.
>  >
>  > I'm not an expert C person - far from it - but I eventually became the head of
>  > Kernel Security until I retired a few months ago.
>  >
>  > Most of it is bug handling.  The major problem is a social, not a technical
>  > one.  Because of the manner in which our kernels are organized, a single
>  > vulnerability involves checking upstream version numbers, coordinating them
>  > into our downstream version numbers for all sources, checking to see if the
>  > sources are effected, figuring out who to CC for the bugs, then harassing
>  > them until they do it.
>  >
>  > Unlike other security sources, any attempt to hardmask the package is shutdown
>  > instantly.  The chaos that would result from a kernel hardmask, even one of
>  > the lesser used ones, caused me to only successfully order one over my entire
>  > career in Gentoo Kernsec... even though more around 30 would have been
>  > needed.  It is not infrequently that bugs will last six months without any
>  > action coming about them, and users are blissfully unaware.
>  >
>  > I am happy to give my input as the former head of Kernel Security, but it is
>  > my personal opinion that any advances in kernel security will require the
>  > full cooperation of security, and letting the head of kernel security be able
>  > to actually enforce threats, as that seems to be the only way bugs ever get
>  > resolved.  Pleading didn't work - I tried.
>  >
>  > -Harlan Lieberman-Berg
>  > Gentoo Developer Emeritus
>
>
>  Every word of what you said is painfully true. The only way to
>  accomplish this would be with an Iron Fist(fail) or a team of ~15 guys
>  who do nothing but patch and push new kernels and the PR that goes along
>  with them every few days.
>  --
>  Ned Ludd <solar@gentoo.org>
>
>
>
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