linux-kernel - Re: [capabilities] Allow normal inheritance for a configurable set of capabilities

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <alpine.DEB.2.11.1502041041530.16909@gentwo.org>
Date:	Wed, 4 Feb 2015 10:43:14 -0600 (CST)
From:	Christoph Lameter <cl@...ux.com>
To:	"Andrew G. Morgan" <morgan@...nel.org>
cc:	"Serge E. Hallyn" <serge@...lyn.com>,
	Serge Hallyn <serge.hallyn@...ntu.com>,
	Serge Hallyn <serge.hallyn@...onical.com>,
	Andy Lutomirski <luto@...capital.net>,
	Jonathan Corbet <corbet@....net>,
	Aaron Jones <aaronmdjones@...il.com>, Ted Ts'o <tytso@....edu>,
	linux-security-module@...r.kernel.org,
	lkml <linux-kernel@...r.kernel.org>, akpm@...uxfoundation.org
Subject: Re: [capabilities] Allow normal inheritance for a configurable set
 of capabilities

On Wed, 4 Feb 2015, Andrew G. Morgan wrote:

> I was thinking more like this:
>
>     int override = secure(SECURE_AMBIENT_PRIVS) &&
> cap_isclear(caps->inheritable.cap);

Uhh.. Then processes that require other capabilties would not pass
them through anymore to other stuff that they invoke.

Also the new caps need to be set somewhere.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/