[GIT PULL] Kernel lockdown for secure boot

[David Howells]

Theodore Y. Ts'o <tytso at mit.edu> wrote:

> Whoa.  Why doesn't lockdown prevent kexec?  Put another away, why
> isn't this a problem for people who are fearful that Linux could be
> used as part of a Windows boot virus in a Secure UEFI context?

Lockdown mode restricts kexec to booting an authorised image (where the
authorisation may be by signature or by IMA).

David
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