Docker breakout exploit analysis

Recently, an interesting Docker exploit was posted (http://stealth.openwall.net/xSports/shocker.c) that demonstrates an information leak where a Docker container can access some privileged filesystem data where it shouldn’t. As I was just discussing the relative merits of using Docker, and how security is often quoted as one of them, I thought it would be interesting to dissect exactly how this ex

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http://stealth.openwall.net/xSports/shocker.c の件。