[PATCH 00/27] security, efi: Add kernel lockdown
Mimi Zohar
zohar at linux.vnet.ibm.com
Thu Nov 2 22:01:26 UTC 2017
Hi David,
>From the man page:
> Only validly signed modules may be loaded.
> .P
> Only validly signed binaries may be kexec'd.
> .P
> Only validly signed device firmware may be loaded.
fw_get_filesystem_firmware() calls kernel_read_file_from_path() to
read the firmware, which calls into the security hooks. Is there
another place that validates the firmware signatures. I'm not seeing
which patch requires firmware to be signed?
Mimi
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