[CentOS] CentOS-7 Security Updates

[Alice Wonder]

On 12/18/2015 01:34 AM, Дмитрий Тесёлкин wrote:
> Hi all,
>
> I'm trying to clarify the security updates policy for older CentOS-7
> releases.
>
> There is a number of servers I'm supporting that are running CentOS-7 1503.
> When 1511 was released several days ago I've tried to upgrade several of
> those, but failed. I've got some strange errors with e1000 virtual NIC
> being restarted frequently with 'tx unit hang' errors. Anyway, it's not the
> thing I'd like to discuss here.
>
> What I'd like to know is the answer to the question "will there be any
> security updates for CentOS-7 1503, and how long"? I was searching on a
> wiki, but couldn't find anything clear enough. What I've found is the
> phrase in 1511 announcement letter
>
>    This release supersedes all previously released content for CentOS
>    Linux 7, and therefore we highly encourage all users to upgrade their
>    machines. Information on different upgrade strategies and how to
>    handle stale content is included in the Release Notes.
>
> This makes me think that there will be no security updates for 1503 and the
> only way to get them is to upgrade to 1511, but I'd like to find any proof.
> Unfortunately, there is nothing about this in Release Notes :(
>

To the best of my knowledge CentOS never has released patches specific 
to a minor version.

Finding and resolving the issue you are experiencing with the current 
release is the only course of action.