On Tue, 2013-02-12 at 22:12 -0800, H. Peter Anvin wrote: > Sounds like you are thinking of CAP_SYS_ADMIN, but I don't really see a > huge difference between MSRs and I/O control registers... just different > address spaces. Not having CAP_SYS_RAWIO blocks various SCSI commands, for instance. These might result in the ability to write individual blocks or destroy the device firmware, but do any of them permit modifying the running kernel? {.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I