[PATCH] LoadPin: Require file with verity root digests to have a header

[Kees Cook]

On Tue, 6 Sep 2022 18:18:12 -0700, Matthias Kaehlcke wrote:
> LoadPin expects the file with trusted verity root digests to be
> an ASCII file with one digest (hex value) per line. A pinned
> root could contain files that meet these format requirements,
> even though the hex values don't represent trusted root
> digests.
> 
> Add a new requirement to the file format which consists in
> the first line containing a fixed string. This prevents
> attackers from feeding files with an otherwise valid format
> to LoadPin.
> 
> [...]

Applied to for-next/hardening, thanks!

[1/1] LoadPin: Require file with verity root digests to have a header
      https://git.kernel.org/kees/c/d64f3001976e

-- 
Kees Cook