RHEL / CentOS: yum Lists / Installs Only Security Updates

RHEL / CentOS: yum Lists / Installs Only Security Updates

 

You can easily find out security patches related information using yum-security plugin. This plugin adds the options --security, --cve, --bz and --advisory flags to yum and the list-security and info-security commands. The options make it possible to limit list/upgrade of packages to specific security relevant ones. The commands give you the security information.
Install Plugin

Type the following command:
# yum install yum-security
How Do I Display Available Security Updates?

Type the following command:
# yum list-security

To list all updates that are security relevant, and get a reutrn code on whether there are security updates use:
# yum --security check-update
To get a list of all BZs that are fixed for packages you have installed use:
# yum list-security bugzillas
To get the information on advisory RHSA-2009:1148-1 use:
# yum info-security RHSA-2009:1148-1

To get an info list of the latest packages which contain fixes for Bugzilla 3595; CVE # CVE-2009-1890 and advisories RHSA-2009:1148-1, use:
# yum --bz 3595 --cve CVE-2009-1890 --advisory RHSA-2009:1148-1 info updates
How Do I Install All The Security Updates Only?

Type the following command to download and install all the available security updates:
# yum update --security