Re: Kdump with signed images

Mimi Zohar
2012-10-26T18:28:13Z

On Fri, 2012-10-26 at 19:19 +0100, Matthew Garrett wrote:
> On Fri, Oct 26, 2012 at 01:59:34PM -0400, Mimi Zohar wrote:
> > On Fri, 2012-10-26 at 03:39 +0100, Matthew Garrett wrote:
> > > and it must be impossible for anything other than
> > > /sbin/kexec to make the kexec system call.
> >
> > Permission is a MAC issue. :)
>
> It's a MAC issue that has to be implemented in the kernel. We can't
> depend on userspace loading any kind of policy.

Still a MAC issue, that problably could be addressed by capabilities. I
suggest you post this issue on the LSM mailing list. Please cc: Serge,
as the capabilities maintainer.

thanks,

Mimi