The critical thing to understand is namespaces are visibility walls, not security boundaries. They prevent a process from seeing things outside its namespace. They do not prevent a process from exploiting the kernel that implements the namespace. The process still makes syscalls to the same host kernel. If there is a bug in the kernel’s handling of any syscall, the namespace boundary does not help.
The Department for Environment, Food and Rural Affairs said: "Our chalk streams are one of Britain's most nature rich habitats and are embedded in our plans to reform the water industry.
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南方周末：你们研究了哪些国家和地区在这方面的情况？各有什么比较好的做法？