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competition-kernel-container-escape

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Internal downstream skill for ctf-sandbox-orchestrator. CTF-sandbox workflow for kernel attack surface, namespace and cgroup boundaries, container isolation assumptions, syscall paths, and escape primitive verification. Use when the user asks to analyze container-to-host escape paths, kernel exploit prerequisites, namespace crossover, capability misuse, or prove whether an exploit primitive crosses the sandbox boundary. Use only after `$ctf-sandbox-orchestrator` has already established sandbox assumptions and routed here.

CTF-Sandbox-Orchestrator/competition-kernel-container-escape/SKILL.md

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Network or broad shell
Last checked
Nov 9, 2026

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44,410
Repository last updated
Sep 22, 2026
License
MIT

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# Competition Kernel Container Escape

Use this skill only as a downstream specialization after `$ctf-sandbox-orchestrator` is already active and has established sandbox assumptions, node ownership, and evidence priorities. If that has not happened yet, return to `$ctf-sandbox-orchestrator` first.

Use this skill when the decisive step is proving a boundary crossing between containerized context and host or higher-privilege kernel context.

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## Quick Start

1. Map runtime isolation first: namespaces, cgroups, seccomp, capabilities, LSM, and mount boundaries.
2. Separate exploit prerequisite, primitive, and boundary-crossing proof.
3. Record kernel version, config hints, runtime options, and reachable syscall surface.
4. Keep instrumented observations separate from pristine challenge path.
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