Full Disclosure mailing list archives

Re: Re: Linux kernel source archive vulnerable


From: "Chris Umphress" <umphress () gmail com>
Date: Tue, 12 Sep 2006 14:57:04 -0700

On 9/12/06, coderpunk <coderpunk () gmail com> wrote:
> >> The standard recommendation is to never compile
> >> the kernel as root.
> >>
> > Which obviously doesn't help you when a non-root user edits the
> > kernel, you compile it as 'jerry' but still have to install it as
> > 'root'. You're still hosed.
>
> Geez, of course not. Unpacking the kernel as non-root honors umask.
> Problem solved.
> It would help to 'info tar' before posting...

That assumes a proper umask. The kernel source should not depend on
the end user's umask being setup properly.

Is it the kernel developers' fault if your umask is extremely lax for
a normal user? If it is lax, security of the kernel source isn't your
only problem.... Security in general is.

--
Chris Umphress <http://daga.dyndns.org/>

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