Re: [PATCH 0/1] grub security update (CVE-2015-8370)

[Ludovic Courtès]

Leo Famulari <address@hidden> skribis:

> This patch for Grub2 fixes CVE-2015-8370 [0][1]. The source of the patch
> is [0].
>
> One thing to note is that there doesn't seem to be any response from
> upstream, yet. However, at least some distros are applying the patch
> [2][3].
>
> AFAIK, GuixSD doesn't support authenticated Grub yet, so this
> vulnerability doesn't manifest itself.

Right, but still worth fixing.

And perhaps someone will get the idea of adding authentication in our
GRUB support code?  :-)

> I tested this patch on bare-metal i686, like this:

Thanks for testing and explaining how you tested it.

Leo Famulari <address@hidden> skribis:

> * gnu/packages/patches/grub-CVE-2015-8370.patch: New file.
> * gnu/packages/grub.scm: Apply patch.
> ---
>  gnu/packages/grub.scm                         |  4 ++-
>  gnu/packages/patches/grub-CVE-2015-8370.patch | 45 
> +++++++++++++++++++++++++++
>  2 files changed, 48 insertions(+), 1 deletion(-)

Please make sure to add the patch to gnu-system.am.

OK to push with this change.

Thank you!

Ludo’.