kernel security and bug fix update

[2.6.32-279.5.1.el6]

• [net] 8021q/vlan: filter device events on bonds (Neil Horman) [842429 841983]
  [2.6.32-279.4.1.el6]
• [fs] proc: stats: Use arch_idle_time for idle and iowait times if available (Steve Best) [841579 841149]
• [drm] i915: fix integer overflow in i915_gem_execbuffer2() (Jacob Tanenbaum) [824553 824555] {CVE-2012-2383}
• [usb] core: change the memory limits in usbfs URB submission (Don Zickus) [841667 828271]
• [usb] core: unify some error pathways in usbfs (Don Zickus) [841667 828271]
• [netdrv] ixgbe: BIT_APP_UPCHG not set by ixgbe_copy_dcb_cfg() (Andy Gospodarek) [840156 814044]
• [netdrv] ixgbe: driver fix for link flap (Andy Gospodarek) [840156 814044]
• [net] bridge: Fix enforcement of multicast hash_max limit (Thomas Graf) [840023 832575]
• [net] bluetooth: fix sco_conninfo infoleak (Jacob Tanenbaum) [681307 681308] {CVE-2011-1078}
• [wireless] ipw2200: remove references to CFG80211_WEXT config option (John Linville) [841406 839311]
• [netdrv] be2net: enable GRO by default (Ivan Vecera) [838821 837230]
• [virt] kvm/vmx: Fix KVM_SET_SREGS with big real mode segments (Orit Wasserman) [841411 756044]
• [fs] writeback: merge for_kupdate and !for_kupdate cases (Eric Sandeen) [832360 818172]
• [fs] writeback: fix queue_io() ordering (Eric Sandeen) [832360 818172]
• [fs] writeback: don’t redirty tail an inode with dirty pages (Eric Sandeen) [832360 818172]
  [2.6.32-279.3.1.el6]
• [fs] ext4: properly dirty split extent nodes (David Jeffery) [840052 838640]