Important: kernel security update

[2.6.9-55.0.12.0.1]

• fix entropy flag in bnx2 driver to generate entropy pool (John
  Sobecki) [orabug 5931647]
• fix for nfs open call taking longer issue (Chuck Lever) orabug 5580407
  bz [219412]
• fix enomem due to larger mtu size page alloc (Zach Brown) orabug 5486128
• fix per_cpu() api bug_on with rds (Zach Brown) orabug 5760648
• limit nr_requests in cfq io scheduler ( Jens Axboe) bz 234278 orabug
  5899829

[2.6.9-55.0.12]

• update: deadlock from recursive call through netpoll_send_skb (Neil
  Horman) [328351]
• fix machine check errors with Clovertown G0-step CPU (Geoff Gustafson)
  [320791]
• fix disable block layer bouncing for most memory on 64bit systems (Jim
  Paradis) [330111]

[2.6.9-55.0.11]

• fix denial of service with wedged processes (Vitaly Mayatskikh)
  [302931] {CVE-2006-6921}
• fix stack growing into hugetlb reserved regions (Vitaly Mayatskikh)
  [294971] {CVE-2007-3739}
• fix creating of RHEL4u5 guest domain on i686 RHEL-5.1 host (Chris
  Lalancette) [251013]
• fix memory leak in __bio_map_user (Eric Sandeen) [328371]
• fix deadlock from recursive call through netpoll_send_skb (Neil
  Horman) [328351]
• fix ALSA memory disclosure flaw (Vitaly Mayatskikh) [297741]
  {CVE-2007-4571}
• fix missing ioctl() permission checks in aacraid driver (Vitaly
  Mayatskikh) [298341] {CVE-2007-4308}
• fix VFAT compat ioctls DoS on 64-bit (Eric Sandeen) [253316]
  {CVE-2007-2878}

[2.6.9-55.0.10]

• fix: automounter hangs with rapid access to the same mount point when
  the system is under high load (Ian Kent) [309781]
• restored: all patches from 2.6.9-55.0.7