Messages in this thread | | | Date | Thu, 16 Feb 2012 14:27:28 +0000 | From | Alan Cox <> | Subject | Re: [PATCH 2/2] efi: Validate UEFI boot variables |
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On Thu, 16 Feb 2012 08:58:37 -0500 Matthew Garrett <mjg@redhat.com> wrote:
> A common flaw in UEFI systems is a refusal to POST triggered by a malformed > boot variable. Once in this state, machines may only be restored by > reflashing their firmware with an external hardware device. While this is > obviously a firmware bug, the serious nature of the outcome suggests that > operating systems should filter their variable writes in order to prevent > a malicious user from rendering the machine unusable. > > Signed-off-by: Matthew Garrett <mjg@redhat.com>
Other than pr_err() as a nitpick comemnt this looks good to me
Acked-by: Alan Cox <alan@linux.intel.com>
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