From: "Zach, Yoav" <yoav.zach@intel.com>
To: <torvalds@osdl.org>
Cc: <akpm@osdl.org>, <linux-kernel@vger.kernel.org>
Subject: RE: Re: [PATCH]: non-readable binaries - binfmt_misc 2.6.0-test4
Date: Wed, 3 Sep 2003 10:16:33 +0300 [thread overview]
Message-ID: <2C83850C013A2540861D03054B478C0601CF64EC@hasmsx403.iil.intel.com> (raw)
--- Linus Torvalds <torvalds@osdl.org> wrote:
>
> I don't like the security issues here. Sure, you
> "trust" the interpreter,
> and clearly only root can set the flag, but to me
> that just makes me
> wonder why the interpreter itself can't be a simple
> suid wrapper that does
> the mapping rather than having it done in kernel
> space..
>
If the binary resides on a NFS drive ( which is a very common practice )
then the suid-wrapper solution will not work because root permissions
are squashed on the remote drive.
next reply other threads:[~2003-09-03 7:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-03 7:16 Zach, Yoav [this message]
2003-09-03 20:08 ` insecure
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