{
  "finding_id": "DF-4248",
  "status": "untested",
  "reproduced": 0,
  "impact": "none",
  "confidence": "certain",
  "verdict": "V1-branch twin of DF-1472: pp_tables_get_entry guards the legacy (ucTableFormatRevision<6) walk with entry_index > ucNumStates at :937, passing entry_index==ucNumStates; :940-957 then reads a state entry one past the array and iterates ucStateEntrySize-1 clock indices from OOB bytes. Reachable via pp_table swap between num_of_entries and get_entry calls or crafted V1 VBIOS. OOB read, Low.",
  "exploit_chain": "",
  "evidence": "VERDICT.md trace; fix hunk contained in DF-4247/fix.diff; run.log hardware probe.",
  "kernel_refs": [
    "sys/dev/drm/amd/powerplay/hwmgr/processpptables.c:937",
    "sys/dev/drm/amd/powerplay/hwmgr/processpptables.c:940",
    "sys/dev/drm/amd/powerplay/hwmgr/processpptables.c:953"
  ],
  "poc_changes": "n/a - pass-2 finding; trigger documentation written fresh (hardware-gated, no seed PoC existed)",
  "attempts": 1,
  "guest_uname": "DragonFly dfbsd 6.5-DEVELOPMENT #0: Thu Jul 2 06:02:54 UTC 2026 root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC x86_64",
  "runtime_sec": 5,
  "guest_dirty": 0,
  "build_cmd": "see build.sh / build.log (hardware absent; mpr fixes compile-validated on guest)",
  "run_cmd": "./run.sh (hardware-gating probe)",
  "code_hash": "a73b0edfbf6e646b6a00779e6a604bde6575b6198bd3cd25504c4f346d715bde",
  "notes": "Distinct site from DF-1472 (which names get_state_entry_v2/:913 only). | Status untested = target device absent on guest (contracts not_testable class).",
  "recommended_fix": "entry_index >= ucNumStates at :937",
  "fix_status": "not_testable",
  "fix_baseline_reproduced": 0,
  "fix_patched_reproduced": 0,
  "fix_verdict": "not_testable: hardware-gated; one-token fix included in central diff.",
  "fix_evidence": ">\u53d8\u6210>= hunk present in DF-4247/fix.diff."
}