Just reporting back that I'm on 6.11.8-1-default from the Tumbleweed repos and
it works nicely.
> [ 0.000000] [ T0] efi: memattr: [Firmware Bug]: Corrupted EFI Memory Attributes Table detected! (version == 1, desc_size == 1705111552, num_entries == 2)
This is showing up in the dmesg entries, and I have the expected amount of
memory.
Confirmed fixed now also in Tumbleweed. Thank you!