While the author called the exploit "shocker" I don't think anybody is shocked by it. There are likely many other ways to break out of Docker. And while I assum

While the author called the exploit "shocker" I don't think anybody is shocked by it. There are likely many other ways to break out of Docker. And while I assume the Docker (and kernel!) people are closing them as they come along, I don't think anyone is claiming Docker is unescapable so it's not a surprise if it is.