Re: [PATCH] x86: Lock down MSR writing in secure boot

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On 02/08/2013 11:18 AM, Kees Cook wrote:
No. CAP_RAWIO is for reading. Writing needs a much stronger check.

-Kees

If so, I suspect we need to do this for *all* raw I/O... but I keep wondering how much more sensitive writing really is than reading.

	-hpa

--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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