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Date: Thu, 3 Feb 2011 15:13:53 +0000
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Gergely Nagy <algernon@balabit.hu>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        "Serge E. Hallyn" <serge@hallyn.com>, James Morris <jmorris@namei.org>
Subject: Re: CAP_SYSLOG, 2.6.38 and user space
Message-ID: <20110203151353.25f69343@lxorguk.ukuu.org.uk>
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On Thu, 03 Feb 2011 12:39:37 +0100
Gergely Nagy <algernon@balabit.hu> wrote:

> Hi!
> 
> Back in november, a patch was merged into the kernel (in  commit
> ce6ada35bdf710d16582cc4869c26722547e6f11), that splits CAP_SYSLOG out of
> CAP_SYS_ADMIN.
> 
> Sadly, this has an unwelcomed consequence, that any userspace syslogd
> that formerly used CAP_SYS_ADMIN will stop working, unless upgraded, or
> otherwise adapted to the change.

Then the patch should probably be reverted as it's breaking an existing
userspace API (or the kernel should accept either SYSLOG || ADMIN in
those cases that check is made so that the old right covers it as well as
the split out one)

Alan