DF-3875 / verdict.json
{ "finding_id": "DF-3875", "status": "inconclusive", "reproduced": 0, "impact": "none", "confidence": "speculative", "verdict": "Reply-queue contexts are bounds-checked against mfi_max_fw_cmds while mfi_commands[] holds only MIN(128,max_fw_cmds) entries; a firmware-posted context in between indexes OOB (list surgery + indirect call). Requires misbehaving controller; not user-reachable; fix is a one-token bound change.", "exploit_chain": "", "evidence": "VERDICT.md; mfi.c:1229 vs :758-785", "kernel_refs": [ "sys/dev/raid/mfi/mfi.c:1229", "sys/dev/raid/mfi/mfi.c:758", "sys/dev/raid/mfi/mfi.c:763" ], "poc_changes": "no runnable PoC", "attempts": 0, "guest_uname": "DragonFly dfbsd 6.5-DEVELOPMENT x86_64 (no MegaRAID)", "runtime_sec": 0, "guest_dirty": 0, "build_cmd": "", "run_cmd": "", "code_hash": "", "notes": "impact field none because controller-gated robustness hole, not user-reachable", "recommended_fix": "bound context by sc->mfi_total_cmds", "fix_status": "not_testable", "fix_baseline_reproduced": 0, "fix_patched_reproduced": 0, "fix_verdict": "trivial bound fix; not validatable without HW", "fix_evidence": "fix.diff" } |