Your distro probably has a mailing list for announcing updates. For debian, you should subscribe to http://lists.debian.org/debian-security-announce/ http://li

Your distro probably has a mailing list for announcing updates. For debian, you should subscribe to http://lists.debian.org/debian-security-announce/ http://lists.debian.org/debian-security-announce/ - and you'll get an email as soon as updates are published. These are also published at http://www.debian.org/security/ http://www.debian.org/security/ You can also follow security bugs closely on the security tracker. For example, this vulnerability is classified here: https://security-tracker.debian.org/tracker/CVE-2013-0871 https://security-tracker.debian.org/tracker/CVE-2013-0871 and the full list of bugs affecting the stable kernel is here: https://security-tracker.debian.org/tracker/source-package/linux-2.6 https://security-tracker.debian.org/tracker/source-package/l...