6.  Security Tightening

      Since we dwe describe [equation] ly the changes made t

6.1.  Generic Kernel

      Several l[equation] acility have been cPrexecuting prPrhave read permissiThe handling prsWhen a prthe system checks t[equation] the pr[equation] the prgrIf it exists and was started by a different user the prnumber change is denied.

6.2.  Security Pr

      Setuid utilities n[equation] Ip[equation] P [equation] Isystem library rAccess tis nThus many prnAccess tthis permissi[equation] unctiOnly users in grall[equation] ine a super-user access list. Numerusers fr[equation] ralth[equation] such scripts is still highly discthat are c