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

David Howells dhowells at redhat.com
Mon Oct 30 09:00:29 UTC 2017


Mimi Zohar <zohar at linux.vnet.ibm.com> wrote:

> Yes, that works.  Thanks!  Remember is_ima_appraise_enabled() is
> dependent on the "ima: require secure_boot rules in lockdown mode"
> patch - http://kernsec.org/pipermail/linux-security-module-archive/201
> 7-October/003910.html.

What happens if the file in question is being accessed from a filesystem that
doesn't have xattrs and doesn't provide support for appraisal?  Is it rejected
outright or just permitted?

David
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