From: Olaf Dietsche <olaf.dietsche#list.linux-kernel@t-online.de>
To: Manfred Spraul <manfred@colorfullife.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH][RFC] 2.5.42: remove capable(CAP_SYS_RAWIO) check from open_kmem
Date: Mon, 14 Oct 2002 00:05:40 +0200 [thread overview]
Message-ID: <87y992805n.fsf@goat.bogus.local> (raw)
In-Reply-To: 3DA9A796.4070600@colorfullife.com
Manfred Spraul <manfred@colorfullife.com> writes:
> Olaf Dietsche wrote:
>> Now, I have to run this process as root, regardless of filesystem
>> permissions. So, if I trust this particular process with full
>> privileges now, there's no problem in reducing its power a little bit.
>>
> What about writing a small wrapper application that drops all
> priveleges except CAP_RAWIO, switches to user to the user you want,
> then execs the target application that needs to access /dev/kmem?
I just tried this, but I didn't succeed. :-(
> Or store the capabilities in the filesystem, but I don't know which
> filesystem supports that.
There's none so far.
Regards, Olaf.
next prev parent reply other threads:[~2002-10-13 22:00 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <3DA985E6.6090302@colorfullife.com>
2002-10-13 15:48 ` [PATCH][RFC] 2.5.42: remove capable(CAP_SYS_RAWIO) check from open_kmem Olaf Dietsche
[not found] ` <3DA99A8B.5050102@colorfullife.com>
2002-10-13 16:45 ` Olaf Dietsche
2002-10-13 17:04 ` Manfred Spraul
2002-10-13 22:05 ` Olaf Dietsche [this message]
2002-10-17 11:42 ` Andreas Steinmetz
2002-10-13 12:46 Olaf Dietsche
2002-10-17 11:00 ` Olaf Dietsche
2002-10-17 11:32 ` Chris Evans
2002-10-17 12:30 ` Chris Wright
2002-10-17 14:14 ` Olaf Dietsche
[not found] ` <200210171807.33178.oliver@neukum.name>
2002-10-17 17:00 ` Olaf Dietsche
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87y992805n.fsf@goat.bogus.local \
--to=olaf.dietsche#list.linux-kernel@t-online.de \
--cc=linux-kernel@vger.kernel.org \
--cc=manfred@colorfullife.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox