The newest kconfig enabling DB-verified dm-verity images is queued
for 6.11:
https://patchwork.kernel.org/project/dm-devel/patch/
20240617220037.594792-1-luca.boccassi@gmail.com/
Required for signed Verity images support:
CONFIG_DM_VERITY_VERIFY_ROOTHASH_SIG
- Required to verify signed Verity images using keys enrolled in the MoK
- (Machine-Owner Key) keyring:
+ Required to verify signed Verity images using keys enrolled in the MOK
+ (Machine-Owner Key) and DB UEFI certificate stores:
CONFIG_DM_VERITY_VERIFY_ROOTHASH_SIG_SECONDARY_KEYRING
+ CONFIG_DM_VERITY_VERIFY_ROOTHASH_SIG_PLATFORM_KEYRING
CONFIG_IMA_ARCH_POLICY
CONFIG_INTEGRITY_MACHINE_KEYRING