Re: SYSRQ accidents

Martin Mares (mj@ucw.cz)
Tue, 1 Sep 1998 11:29:25 +0200


> On the other hand, without enabling SysRq (which is a rather stupid
> thing to do, security-wise) the regular SAK only works in normal
> keyboard mode, and hence can be spoofed by someone putting the
> keyboard in raw or mediumraw mode. In other words, is not absolutely
> secure.

No -- see drivers/char/keyboard.c, grep for SPECIALS_ALLOWED_IN_RAW_MODE.

Have a nice fortnight

-- 
Martin `MJ' Mares   <mj@ucw.cz>   http://atrey.karlin.mff.cuni.cz/~mj/
Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth
"Windows Error: 002 - No error yet ..."

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.altern.org/andrebalsa/doc/lkml-faq.html