| Date | Sun, 4 Nov 2012 00:09:55 +0100 (CET) | From | Jiri Kosina <> | Subject | Re: [RFC] Second attempt at kernel secure boot support |
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On Fri, 2 Nov 2012, Vivek Goyal wrote:
> > With secure boot enabled, then the kernel should refuse to let an > > unsigned kexec load new images, and kexec itself should refuse to > > load unsigned images. > > Yep, good in theory. Now that basically means reimplementing kexec-tools > in kernel.
Why is "when kernel has been securely booted, the in-kernel kexec mechanism has to verify the signature of the supplied image before kexecing it" not enough? (basically the same thing we are doing for signed modules already).
-- Jiri Kosina SUSE Labs
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