⬢ DragonFlyBSD Kernel Audit
DF-5046 / manifest.json
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{
  "finding_id": "DF-5046",
  "title": "idad_detach frees the idad softc under open descriptors and in-flight bios (DF-5013/DF-5025 family detach UAF)",
  "verdict": "untested (hardware-gated)",
  "impact": "none demonstrated (UAF-write by code trace; root-only trigger)",
  "reproduce": {
    "build": "n/a — hardware-gated (needs Compaq SMART/IDA PCI controller)",
    "run": "on hardware: keep /dev/idad0 open + I/O in flight, then kldunload/detach as root; observe idad_strategy/idad_intr touching freed softc",
    "expected": "UAF write into freed idad_softc/ida_softc (MEMGUARD hit or panic); on the audit guest: impossible — pciconf shows no 0x0e11 device (env.txt)"
  },
  "kernel_refs": [
    "sys/dev/raid/ida/ida_disk.c:302-311",
    "sys/dev/raid/ida/ida_disk.c:94-99",
    "sys/dev/raid/ida/ida_disk.c:145-189",
    "sys/dev/raid/ida/ida_disk.c:213-226",
    "sys/kern/subr_disk.c:527-556",
    "sys/vfs/devfs/devfs_core.c:759-763",
    "sys/kern/kern_device.c:355-389"
  ],
  "artifacts": [
    "README.md",
    "VERDICT.md",
    "env.txt",
    "fix.diff",
    "verdict.json",
    "manifest.json"
  ]
}