On 02/09/2013 07:11 AM, Matthew Garrett wrote: > On Sat, 2013-02-09 at 10:29 +0100, Borislav Petkov wrote: >> On Fri, Feb 08, 2013 at 10:45:35PM -0800, Kees Cook wrote: >>> Also, _reading_ MSRs from userspace arguably has utility that doesn't >>> compromise ring-0. >> >> And to come back to the original question: what is that utility, who >> would need it on a secure boot system and why? > > Things like Turbostat are useful, although perhaps that information > should be exposed in a better way. > OK... what none of this gets into: Why should CAP_RAWIO be allowed on a secure boot system, when there are 2^n known ways of compromise a system with CAP_RAWIO? -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
