⬢ DragonFlyBSD Kernel Audit
DF-3786 / manifest.json
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{
  "finding_id": "DF-3786",
  "title": "BT848_SIGNATURE: signCard() has no bound on count -> single-bit OOB read-modify-write up to ~3.8 KiB past the 260-byte ioctl argument",
  "severity": "High",
  "verdict": "reproduced",
  "impact": "dos",
  "confidence": "certain",
  "reproduce": {
    "build": "sh build.sh",
    "run": "sh run.sh",
    "expected": "run.log: sig[3836] touched, allocation 260 bytes."
  },
  "kernel_refs": [
    "sys/dev/video/bktr/bktr_core.c:2094",
    "sys/dev/video/bktr/bktr_card.c:461",
    "sys/dev/video/bktr/bktr_card.c:468",
    "sys/dev/video/bktr/ioctl_bt848.h:96"
  ],
  "artifacts": [
    "harness_signcard.c",
    "poc_signcard.c",
    "build.log",
    "run.log",
    "env.txt",
    "poc_build_and_device_check.log",
    "fix.diff",
    "VERDICT.md",
    "manifest.json",
    "verdict.json"
  ]
}