Updating redhat 9
The system would need to be deleted from RHN and re-registered after the upgrade.
Charles, I'm not aware of any personally but this would be a great topic to bring up on the RHEL support community here on the Portal: https://access.redhat.com/groups/red-hat-enterprise-linux Our users there will definitely be able to offer some advice.
An attacker can easily rebuild a package with the same version number as the one that is supposed to fix the problem but with a different security exploit and release it on the Internet.
If this happens, using security measures, such as verifying files against the original Before installing any security errata, be sure to read any special instructions contained in the erratum report and execute them accordingly.
Test security updates when they become available and schedule them for installation.
Additional controls need to be used to protect the system during the time between the release of the update and its installation on the system.
This patch is then applied to the Red Hat Enterprise Linux package and tested and released as an erratum update.
When updating software on a system, it is important to download the update from a trusted source.To give you the knowledge you need the instant it becomes available, these articles may be presented in a raw and unedited form.