intel-microcode software package provides Processor microcode firmware for Intel CPUs, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install intel-microcode
intel-microcode is installed in your system.
Make ensure the intel-microcode package were installed using the commands given below,
$ sudo dpkg-query -l | grep intel-microcode *
You will get with intel-microcode package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Administration Utilities |
| Package | intel-microcode |
| Version | 1.20150121.1 |
| Description | Processor microcode firmware for Intel CPUs |
| Sub Section | Admin |