[CentOS] CentOS-7 Security Updates

On 12/18/2015 01:34 AM, Дмитрий Тесёлкин wrote:
> 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.

That's correct.  CentOS treats minor releases as just a label for a 
point in time.  There are, essentially, no minor releases of CentOS, 
except for the purpose of spinning new installation ISOs.

The solution you're looking for is something that Red Hat provides to 
paying customers, though:
https://access.redhat.com/solutions/22763