Re: [lxc-devel] [PATCH RFC] Introduce new security.nscapability xattr

2016-01-27 Thread Andy Lutomirski
On Wed, Jan 27, 2016 at 9:22 AM, Jann Horn wrote: > I think it sounds good from a security perspective. I'm a bit late to the game, but I have a question: why should this be keyed to the *root* uid of the namespace in particular? Certainly if user foo trusts the cap bits on some file, then user

Re: [lxc-devel] [PATCH RFC] Introduce new security.nscapability xattr

2016-01-27 Thread Serge E. Hallyn
On Wed, Jan 20, 2016 at 01:48:16PM +0100, Jann Horn wrote: > On Fri, Dec 04, 2015 at 02:21:16PM -0600, Serge E. Hallyn wrote: > > Quoting Eric W. Biederman (ebied...@xmission.com): > > > "Serge E. Hallyn" writes: > > > > > > > A common way for daemons to run with minimal privilege is to start as