Messages in this thread | | | Date | Wed, 4 Sep 2013 16:14:00 -0400 | Subject | Re: [PATCH V3 08/11] kexec: Disable at runtime if the kernel enforces module loading restrictions | From | Josh Boyer <> |
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On Wed, Sep 4, 2013 at 4:09 PM, <jerry.hoemann@hp.com> wrote: > On Tue, Sep 03, 2013 at 07:50:15PM -0400, Matthew Garrett wrote: >> kexec permits the loading and execution of arbitrary code in ring 0, which >> is something that module signing enforcement is meant to prevent. It makes >> sense to disable kexec in this situation. >> >> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com> > > > Matthew, > > Disabling kexec will disable kdump, correct?
Yes.
> Are there plans to enable kdump on a system where secure > boot is enabled?
Vivek Goyal has been working on this. I've not seen the code yet, but I believe it should be posted somewhere relatively soon. We're also planning on talking about it at the Secure Boot microconference at Linux Plumbers in two weeks.
josh
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