CVE-2016-0728
The vulnerability affects any Linux Kernel version 3.8 and higher
CentOS 5, CentOS 6 はカーネルが違うので影響なし
・Linuxカーネルの脆弱性 CVE-2016-0728
http://blog.cloudpack.jp/2016/01/20/vulnerability-of-linux-kernel-cve-2016-0728/
・ANALYSIS AND EXPLOITATION OF A LINUX KERNEL VULNERABILITY (CVE-2016-0728)
http://perception-point.io/2016/01/14/analysis-and-exploitation-of-a-linux-kernel-vulnerability-cve-2016-0728/