A high-severity vulnerability in sudo has been patched in a number of Linux distributions. The flaw allows local attackers to elevate privileges to root. This video from the SANS Internet Storm Center explains how to detect and block IPv6 traffic in Linux. A 48-character attack that crashes Linux servers has come up with a 48 character attack that crashed Linux servers, but experts argue the security implications of the bug are not worth the risk it takes to deal with the bug. The video shows how to prevent and block and prevent attacks on Linux infrastructures.
Source: https://threatpost.com/detecting-and-blocking-ipv6-linux-020210/73471/