Re: [PATCH V3 08/11] kexec: Disable at runtime if the kernel enforces module loading restrictions

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Sep 4, 2013 at 4:09 PM,  <jerry.hoemann@xxxxxx> 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@xxxxxxxxxx>
>
>
> 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
--
To unsubscribe from this list: send the line "unsubscribe linux-efi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux OMAP]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux