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gVisor has unsafe modes of operation, too. What I'm saying is that this is not a good example of "Container breakout", as it was just a misconfiguration, not an
by lima 7y ago
gVisor has unsafe modes of operation, too. What I'm saying is that this is not a good example of "Container breakout", as it was just a misconfiguration, not an exploit.
"people are extremely creative and will find ways around everything" is not an excuse - it's a matter of risk management and threat modelling.
Escaping from a VM or gVisor is much, much harder than escaping from Linux namespaces ("containers") due to the MUCH smaller amount of attack surface/amount of exposed code. Using Linux containers in an untrusted multi-tenant environment is very dangerous, especially if you're a high profile cloud provider, which is why all of these projects exist.