{
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  "generated_at_utc": "2026-10-06T23:09:49Z",
  "record_id": "VXI-EXT-GVISOR-01-v1",
  "record_kind": "external_reference",
  "title": "gVisor: Workload isolation",
  "system": "gVisor",
  "evidence_family": "execution_isolation",
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  "canonical_question": "What isolation model does gVisor provide for agent-executed code?",
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    "How does gVisor frame workload isolation?",
    "Can a sandbox be treated as permission to execute untrusted code?",
    "Does choosing gVisor prove an agent deployment is secure?",
    "Which source describes gVisor's application-kernel model?",
    "What context is required for a sandbox reliance review?",
    "Does a sandbox replace the surrounding security architecture?",
    "Can isolation claims be applied without configuration evidence?",
    "What should a receipt say about untested sandbox assumptions?",
    "How do design goals differ from deployment test results?",
    "Can an agent infer that every attack is contained?",
    "What must a buyer supply about the runtime environment?",
    "agent sandbox isolation"
  ],
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    {
      "claim": "gVisor documents an application-kernel sandbox between workloads and the host. This supports a design description, not a security guarantee for a specific agent deployment.",
      "reliance": "DOCUMENTED_CAPABILITY_ONLY"
    }
  ],
  "not_demonstrated_claims": [
    "immunity to escape or compromise",
    "security assurance for a customer deployment",
    "permission to run arbitrary code"
  ],
  "public_summary": "gVisor documents an application-kernel sandbox between workloads and the host. This supports a design description, not a security guarantee for a specific agent deployment.",
  "related_record_ids": [
    "VXI-EXT-GVISOR-02-v1",
    "VXI-EXT-GVISOR-03-v1",
    "VXI-EXT-GVISOR-04-v1"
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  "source_review": {
    "source_type": "official_external_documentation",
    "source_title": "Introduction to gVisor security",
    "source_url": "https://gvisor.dev/docs/architecture_guide/intro/",
    "checked_on": "2026-10-07",
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    "revalidation": "Recheck the primary source, version and deployment context before paid delivery."
  },
  "answer_policy": {
    "classification": "DOCUMENTED_WITH_DEPLOYMENT_BOUNDARY",
    "bounded_answer": "gVisor documents an application-kernel sandbox between workloads and the host. This supports a design description, not a security guarantee for a specific agent deployment.",
    "required_buyer_context": "Runtime version, host configuration, permitted resources and the relevant threat model.",
    "missing_evidence": "A broader claim needs evidence matching the intended use. Payment does not upgrade the evidence state."
  },
  "private_boundary": "Raw logs, thresholds, private paths, source code, protected mechanisms and reconstruction-level details are excluded from public and paid delivery.",
  "paid_access_note": "The public answer and boundaries are free. Pay first, then email a concrete question for asynchronous manual review, receipt or scoped export. No fixed turnaround or automatic API access is promised.",
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    "request_workflow": "/varexis-index/request-workflow.json",
    "service_id": "evidence_receipt",
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    "payment_required": true,
    "accepting_paid_requests": true,
    "operational_status": "PAID_ASYNC_MANUAL_FULFILMENT",
    "checkout_url": "https://buy.stripe.com/28EaEXaPe7bBdGLgXSdwc05"
  },
  "authority_boundary": "VAREXIS-INDEX informs evidence reliance. It does not provide advice, certification, deployment authority, security assurance, production approval, or guarantee.",
  "human_page": "/varexis-index/catalog.html#gvisor-isolation-model",
  "machine_readable_record": "/varexis-index/records/gvisor-isolation-model.json"
}