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Message-ID: <1351275954.18115.209.camel@falcor> Date: Fri, 26 Oct 2012 14:25:54 -0400 From: Mimi Zohar <zohar@...ux.vnet.ibm.com> To: Matthew Garrett <mjg@...hat.com> Cc: Vivek Goyal <vgoyal@...hat.com>, "Eric W. Biederman" <ebiederm@...ssion.com>, Khalid Aziz <khalid@...ehiking.org>, kexec@...ts.infradead.org, horms@...ge.net.au, Dave Young <dyoung@...hat.com>, "H. Peter Anvin" <hpa@...or.com>, linux kernel mailing list <linux-kernel@...r.kernel.org>, Dmitry Kasatkin <dmitry.kasatkin@...el.com>, Roberto Sassu <roberto.sassu@...ito.it>, Kees Cook <keescook@...omium.org> Subject: Re: Kdump with signed images 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 -- 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/
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