Around February 2022, an innocent-looking Linux kernel vulnerability corrupted some log files. Digging in and analyzing the root causes led to discovering the dirty pipe vulnerability. This allows attackers with local access to escalate to root. Oh no, was it an overflow again? Not this time; read on to find out!

Did you also think that Unix-based operating systems are the superior species in terms of security? Well, maybe you should reconsider that. In early 2021, a severe bug was found in them, which affected many Unix systems. When the report about it arrived, the bug was already patched, but let’s look at it in this article.