Update doc for security

Author: niusmallnan

docs/os/security/index.md

@@ -33,4 +33,4 @@ title: RancherOS security
 | [CVE-2017-7184](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7184) | Allows local users to obtain root privileges or cause a denial of service (heap-based out-of-bounds access) by leveraging the CAP_NET_ADMIN capability. | 3 April 2017 | [RancherOS v0.9.2-rc1](https://github.com/rancher/os/releases/tag/v0.9.2-rc1) using Linux 4.9.20 |
 | [CVE-2017-1000364](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-1000364) | Linux Kernel is prone to a local memory-corruption vulnerability. Attackers may be able to exploit this issue to execute arbitrary code with elevated privileges | 19 June 2017 | [RancherOS v1.0.3](https://github.com/rancher/os/releases/tag/v1.0.3) |
 | [CVE-2017-1000366](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-1000366) | glibc contains a vulnerability that allows manipulation of the heap/stack. Attackers may be able to exploit this issue to execute arbitrary code with elevated privileges | 19 June 2017 | [RancherOS v1.0.3](https://github.com/rancher/os/releases/tag/v1.0.3) |
-
+| [CVE-2017-1000405](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-1000405) |  The Linux Kernel versions 2.6.38 through 4.14 have a problematic use of pmd_mkdirty() in the touch_pmd() function inside the THP implementation. touch_pmd() can be reached by get_user_pages(). In such case, the pmd will become dirty. | 10 Dec 2017 | [RancherOS v1.1.1](https://github.com/rancher/os/releases/tag/v1.1.1) |