>
> "I would avoid using those buggy UEFI DXE at all cost."

Ron's answer aged well:
https://github.com/tianocore/edk2/security/advisories/GHSA-99cj-7hg9-mp4m
(via https://www.cve.org/CVERecord?id=CVE-2026-97631)


-- 
Network Security Analyst
Technology Department
<http://comicsanscriminal.com>
<http://comicsanscriminal.com>
Buncombe County Schools
ComicSans Awareness Campaign <https://comicsanscriminal.com>


On Mon, Oct 4, 2021 at 10:35 AM ron minnich <[email protected]> wrote:

> use linuxboot, don't use UEFI payload. That's what we've done at
> Google, among other companies (ByteDance too).
>
> if you use linuxboot, then you get our pxeboot written in Go, and that
> can use http to pull the image down as well as tftp; http is literally
> (measured) 100x faster.
>
> I would avoid using those buggy UEFI DXE at all cost. A Linuxboot
> payload can be as small as a few MiB, which easily fits in today's SPI
> parts.
>
> On Mon, Oct 4, 2021 at 5:21 AM Rao G <[email protected]> wrote:
> >
> > Hi Coreboot Developers,
> >
> > Very warm greetings!
> >
> > Trying to enable PXE along with UEFI payload on Elkhart Lake CRB platform
> >
> > Enabling Network stack requires below DXE drivers to be enabled
> >
> >
> >
> >
> https://github.com/tianocore/edk2/blob/vUDK2018/MdeModulePkg/MdeModulePkg.dsc
> >
> >
> >
> > MdeModulePkg/Universal/Network/ArpDxe/ArpDxe.inf
> >
> > MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Dxe.inf
> >
> > MdeModulePkg/Universal/Network/DpcDxe/DpcDxe.inf
> >
> > MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Dxe.inf
> >
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiDxe.inf
> >
> > MdeModulePkg/Universal/Network/MnpDxe/MnpDxe.inf
> >
> > MdeModulePkg/Universal/Network/VlanConfigDxe/VlanConfigDxe.inf
> >
> > MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Dxe.inf
> >
> > MdeModulePkg/Universal/Network/SnpDxe/SnpDxe.inf
> >
> > MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Dxe.inf
> >
> > MdeModulePkg/Universal/Network/Udp4Dxe/Udp4Dxe.inf
> >
> >
> >
> >  [Components.IA32, Components.X64, Components.IPF, Components.AARCH64]
> >
> >   MdeModulePkg/Universal/Network/UefiPxeBcDxe/UefiPxeBcDxe.inf
> >
> >
> > Please send your comments/views on how to enable PXE with uEFI payload,
> It is also okay incase if there is an alternate approach to enable PXE
> without UEFI payload.
> >
> >
> > Thanks
> >
> > Ranga
> >
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