[Buildroot] [git commit] boot/shim: security bump to version 15.6

[Peter Korsgaard]

>>>>> "Yann" == Yann E MORIN <yann.morin.1998 at free.fr> writes:

 > commit: https://git.buildroot.net/buildroot/commit/?id=f29cbc6ce3def37d7dc4d99fa2a5cbdadc6369e9
 > branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master

 > Fixes the following security issue:

 > CVE-2022-28737: There's a possible overflow in handle_image() when shim
 > tries to load and execute crafted EFI executables

 > https://github.com/advisories/GHSA-hmxr-46w2-jjwh

 > Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
 > Signed-off-by: Yann E. MORIN <yann.morin.1998 at free.fr>

Committed to 2023.02.x and 2023.11.x, thanks.

-- 
Bye, Peter Korsgaard