{
 "finding_id": "DF-4465",
 "poc_id": "DF-4465",
 "status": "untested",
 "reproduced": 0,
 "impact": "Monitoring driver permanently dead until reboot after a failed attach (leaked active IOPORT range)",
 "confidence": "certain",
 "attempts": 0,
 "guest_uname": null,
 "code_hash": null,
 "exploit_chain": [],
 "evidence": "Three ENXIO returns after successful bus_alloc_resource never release it; newbus does not release child resources on failed attach. release-on-err fix.",
 "kernel_refs": [
  "sys/dev/powermng/uguru/uguru.c:757",
  "sys/dev/powermng/uguru/uguru.c:772",
  "sys/dev/powermng/uguru/uguru.c:860"
 ],
 "verdict": "not_run: no uGuru hardware on guest; realistic field condition via stateful handshake glitch",
 "fix_status": "not_testable",
 "fix_baseline_reproduced": 0,
 "fix_patched_reproduced": 0,
 "fix_verdict": "not_testable: hardware-gated / Info",
 "fix_evidence": "fix in finding markdown"
}