On Mon, 14 Jul 2014 14:38:10 -0700 Kees Cook <keesc...@chromium.org> wrote:
> This creates a new LSM hook to validate the contents (and origin) of > component firmware being provided to the kernel from userspace via the > request_firmware() interface. > > Additionally creates a test module and test cases for all of the existing > interfaces as well as the new "fd" interface. There is a specific reason that this is a good idea. On any system with basic capabilities only anyone owning DAC capabilities can replace the firmware file on disk. So for some devices DAC implies a route to RAWIO which is not good. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
