⬢ DragonFlyBSD Kernel Audit
DF-3341 / verdict.json
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{
 "finding_id": "DF-3341",
 "status": "reproduced",
 "reproduced": 1,
 "poc_path": "findings/poc/DF-3341",
 "artifact_dir": "findings/poc/DF-3341",
 "build_cmd": "./build.sh",
 "run_cmd": "df3341 oob",
 "code_hash": "d79691b1dddbb781d8615e1e2fd34654e54d62b73609851e89c1aad5f676d1a5",
 "build_log": "build.log",
 "run_log": "allruns.log",
 "impact": "none",
 "confidence": "certain",
 "verdict": "parse_beaon TIM IE stored without length verification (input.c:586-589); scan_sta consumer reads tim->tim_period (byte 4) - a TIM IE with declared len < 3 drives the read past the IE end into stale mbuf bytes (DTIM cache). Verbatim chain harness faults the guard page.",
 "exploit_chain": "",
 "evidence": "control (len=5) rc=0; len=1 TIM IE rc=139; FIXED length check clean",
 "kernel_refs": [
  "sys/netproto/802_11/wlan/ieee80211_input.c:586-589",
  "sys/netproto/802_11/wlan/ieee80211_scan_sta.c:348-351",
  "sys/netproto/802_11/ieee80211.h:952-956"
 ],
 "poc_changes": "",
 "attempts": 3,
 "guest_uname": "DragonFly dfbsd 6.5-DEVELOPMENT DragonFly 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": 60,
 "guest_dirty": 0,
 "runner": "df-bsd-reviewer",
 "notes": "",
 "recommended_fix": "fix.diff",
 "fix_status": "fixed",
 "fix_verdict": "Harness A/B (fixruns.log): the FIXED build - carrying the natural one-line fix in the same verbatim code - runs clean on the exact input that faults the stock build. Kernel not rebuilt for these Low/hardening items.",
 "fix_baseline_reproduced": 1,
 "fix_patched_reproduced": 0
}