On Mon, 2008-06-16 at 22:27 +0400, Stanislav Sedov wrote: > On Mon, 16 Jun 2008 19:10:17 +0100 > "Rui Paulo" <rpaulo_at_FreeBSD.org> mentioned: > > > There's no security issue here. > > If the system administrator is concerned about "security" of cpuctl, > > he/she just has to compile-out cpuctl or remove the module from the > > file system. > > > > Well, in this case it would be possible to load that again. Setting > a non-zero securelevel or implementing a specific MAC policy might > be a more correct solution. cpuctl(4) won't allow any MSR operations > if securelevel is above zero. > Is it potentially "unsafe" to use RDMSR? -- Coleman Kane
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