Re: [PATCH 2/2] user namespaces: require cap_set{ug}id for CLONE_NEWUSER

James Morris
2008-12-07T22:51:58Z

On Fri, 5 Dec 2008, Eric W. Biederman wrote:

> "Serge E. Hallyn" <serue@us.ibm.com> writes:
>
> > While ideally CLONE_NEWUSER will eventually require no
> > privilege, the required permission checks are currently
> > not there. As a result, CLONE_NEWUSER has the same effect
> > as a setuid(0)+setgroups(1,"0"). While we already require
> > CAP_SYS_ADMIN, requiring CAP_SETUID and CAP_SETGID seems
> > appropriate.
>
> Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
>
> The patch looks good, and we are likely to need more caps to
> actually use it.

Applied to
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6#next

--
James Morris
<jmorris@namei.org>