systemd: Improvements in security configuration #42
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No UNIX sockets, netlink, raw sockets, ...
- Namespaces (esp. user namespaces) have been a big source of privilege-escalation vulnerabilities in the past. - `personality(2)` provides access to complex, legacy emulation code. - Realtime scheduling can be abused to DoS the host by consuming all available CPU time.
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Ported the security-related improvements of #40 to the non-templated
endlessh.service.