From: richard -rw- weinberger <richard.weinberger@gmail.com>
To: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
Oleg Nesterov <oleg@redhat.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Pavel Emelyanov <xemul@parallels.com>,
Kees Cook <keescook@chromium.org>, Tejun Heo <tj@kernel.org>,
Matt Helsley <matthltc@us.ibm.com>
Subject: Re: [patch 1/2] c/r: prctl: Add ability to set new mm_struct::exe_file
Date: Tue, 20 Mar 2012 00:23:06 +0100 [thread overview]
Message-ID: <CAFLxGvwu_T04CYsUd33ZxuumvJ9hBHD+fGzS-ubS831jV8wqyg@mail.gmail.com> (raw)
In-Reply-To: <20120319231709.GM19594@moon>
On Tue, Mar 20, 2012 at 12:17 AM, Cyrill Gorcunov <gorcunov@openvz.org> wrote:
>> So, why makes that one-short fashion the feature more secure?
>> Let the user change the exe symlink as often as he wants.
>> From a security point of view the exe symlink is anyway useless.
>
> Maybe better to call it 'predictable' then rather than 'secure'?
I'd say one-short makes it less confusing. :-)
--
Thanks,
//richard
next prev parent reply other threads:[~2012-03-19 23:23 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-16 20:55 [patch 0/2] [PATCH 0/2] prctl extension in a sake of c/r Cyrill Gorcunov
2012-03-16 20:55 ` [patch 1/2] c/r: prctl: Add ability to set new mm_struct::exe_file Cyrill Gorcunov
2012-03-19 22:15 ` Andrew Morton
2012-03-19 22:39 ` Cyrill Gorcunov
2012-03-19 22:41 ` richard -rw- weinberger
2012-03-19 22:46 ` Andrew Morton
2012-03-19 22:50 ` Cyrill Gorcunov
2012-03-19 22:59 ` Andrew Morton
2012-03-19 23:12 ` Cyrill Gorcunov
2012-03-19 23:02 ` richard -rw- weinberger
2012-03-19 23:17 ` Cyrill Gorcunov
2012-03-19 23:23 ` richard -rw- weinberger [this message]
2012-03-20 6:55 ` Cyrill Gorcunov
2012-03-22 23:38 ` Eric W. Biederman
2012-03-23 6:41 ` Cyrill Gorcunov
2012-03-23 6:47 ` Cyrill Gorcunov
2012-03-23 17:06 ` Matt Helsley
2012-03-19 22:47 ` Cyrill Gorcunov
2012-03-16 20:55 ` [patch 2/2] c/r: prctl: Add ability to get clear_tid_address Cyrill Gorcunov
2012-03-19 16:51 ` Kees Cook
2012-03-19 16:55 ` Cyrill Gorcunov
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