dhcp security and bug fix update

[12:4.1.1-34.P1.0.1.el6]

• Added oracle-errwarn-message.patch
  [12:4.1.1-34.P1]
• Reducing the expiration time for an IPv6 lease may cause the server to crash
  (CVE-2012-3955, #858130)
  [12:4.1.1-33.P1]
• Use getifaddrs() for interface discovery code on Linux (#803540)
• dhclient-script: do not backup&restore /etc/resolv.conf (#824622)
  [12:4.1.1-32.P1]
• An error in the handling of malformed client identifiers can
  cause a denial-of-service condition in affected servers. (CVE-2012-3571, #843122)
• Memory Leaks Found In ISC DHCP (CVE-2012-3954, #843122)