netdev - Re: [PATCH v18 01/15] Add PR_{GET,SET}_NO_NEW_PRIVS to prevent execve from granting privs

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Message-ID: <alpine.LRH.2.02.1204131432430.22093@tundra.namei.org>
Date:	Fri, 13 Apr 2012 14:34:00 +1000 (EST)
From:	James Morris <jmorris@...ei.org>
To:	Andrew Lutomirski <luto@....edu>
cc:	Will Drewry <wad@...omium.org>, linux-kernel@...r.kernel.org,
	linux-man@...r.kernel.org, linux-security-module@...r.kernel.org,
	linux-arch@...r.kernel.org, linux-doc@...r.kernel.org,
	kernel-hardening@...ts.openwall.com, netdev@...r.kernel.org,
	x86@...nel.org, arnd@...db.de,
	"David S. Miller" <davem@...emloft.net>, hpa@...or.com,
	mingo@...hat.com, Oleg Nesterov <oleg@...hat.com>,
	peterz@...radead.org, rdunlap@...otime.net, mcgrathr@...omium.org,
	tglx@...utronix.de, Eric Paris <eparis@...hat.com>,
	Serge Hallyn <serge.hallyn@...onical.com>, djm@...drot.org,
	scarybeasts@...il.com, indan@....nu, pmoore@...hat.com,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jonathan Corbet <corbet@....net>, eric.dumazet@...il.com,
	markus@...omium.org, coreyb@...ux.vnet.ibm.com,
	Kees Cook <keescook@...omium.org>,
	Andy Lutomirski <luto@...capital.net>,
	Stephen Smalley <sds@...ho.nsa.gov>
Subject: Re: [PATCH v18 01/15] Add PR_{GET,SET}_NO_NEW_PRIVS to prevent execve
 from granting privs

On Thu, 12 Apr 2012, Andrew Lutomirski wrote:

> > What about dynamic transitions in SELinux ?
> >
> 
> What's a dynamic transition?

The security label can be changed without an exec:

See selinux_setprocattr(), for "current".


- James
-- 
James Morris
<jmorris@...ei.org>
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