## Security Updates

### Ruby

Ruby has been updated from 2.3.5 to 2.3.6 to resolve [CVE-2017-17405](https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2017-17405).

### libxml2

The libxml2 library has been updated from 2.9.5 to 2.9.7 to resolve [CVE-2017-15412](https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2017-15412)

## System Configuration Detection

### EC2 detection on C5/M5

Ohai now provides EC2 metadata configuration information on the new C5/M5 instance types running on Amazon's new hypervisor.

### LsPci Plugin

The new Ohai `LsPci` plugin provides a `node[:pci]` hash with information about the PCI bus based on lspci. Only runs on Linux.

### Docker Detection

The virtualization plugin has been updated to properly detect when running on Docker CE