SystemD Vulnerability Allows Crashing Systems Remotely (And Probably Executing Code Too) With DHCPv6 Packets

The hole-iest of move fast and break things cults, SystemD has had another hole documented (archived). In systemd-networkd the DHCPv6 client will write outside the bounds of its heap when fed the right kind of packet leading to a range of effects depending on the particular packet fed. Chief SystemD thing breaker and professional tumor Leonart Poettering has published a patch which supposedly addresses this particular documented issue while introducing a unknown number1 of new bugs.

  1. And likely unknowable. Can you truly count how many individual bacteria in a gram of sewer effluent are alive or dead at any moment in time?  

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