[PATCH 07/27] kexec_file: Disable at runtime if securelevel has been set

David Howells dhowells at redhat.com
Thu Oct 26 15:02:24 UTC 2017


joeyli <jlee at suse.com> wrote:

> +	if (!IS_ENABLED(CONFIG_KEXEC_VERIFY_SIG) &&
> +	    !is_ima_appraise_enabled() &&
> +	    kernel_is_locked_down("kexec of unsigned images"))

This doesn't seem right.  It seems that you can then kexec unsigned images
into a locked-down kernel if IMA appraise is enabled.

I think the commit message needs expansion as to why it's okay.  Can you also
do it as an additional patch rather than altering the original IMA-less patch
7?

David
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