Messages in this thread | | | From | David Howells <> | Subject | Re: [GIT PULL] Add EFI_CERT_X509_GUID support for dbx/mokx entries | Date | Tue, 23 Feb 2021 17:44:30 +0000 |
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David Howells <dhowells@redhat.com> wrote:
> This set of patches from Eric Snowberg that add support for > EFI_CERT_X509_GUID entries in the dbx and mokx UEFI tables (such entries > cause matching certificates to be rejected). These are currently ignored > and only the hash entries are made use of. > > These patches fix CVE-2020-26541. > > To quote Eric: > > This is the fifth patch series for adding support for > EFI_CERT_X509_GUID entries [1]. It has been expanded to not only > include dbx entries but also entries in the mokx. Additionally my > series to preload these certificate [2] has also been included. > > This series is based on v5.11-rc4. > > [1] https://patchwork.kernel.org/project/linux-security-module/patch/20200916004927.64276-1-eric.snowberg@oracle.com/ > [2] https://lore.kernel.org/patchwork/cover/1315485/ > > Note that this is based on top of the collected minor fixes I sent you a > preceding pull request for. If you would rather this was not based on my > keys-misc branch, but was instead based on your tree directly, I can rebase > it. Note that there would be very minor conflict between the two branches, > but I think git merge should be able to handle it automatically.
Please drop this request for now. It turns out there's a broken dependency in there:
https://lore.kernel.org/keyrings/20210217165058.1336155-1-eric.snowberg@oracle.com/
I'll look at folding that in, but I'm not sure Eric's solution is the right one. I suspect there needs to be something in Kconfig somewhere.
David
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