{
  "cveId": "CVE-2022-49859",
  "url": "https://patchblox.com/security/cve/CVE-2022-49859",
  "summary": "CVE-2022-49859 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49859, released May 1, 2025. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  net: lapbether: fix issue of invalid opcode in l...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  net: lapbether: fix issue of invalid opcode in lapbeth_open()  If lapb_register() failed when lapb device goes to up for the first time, the NAPI is not disabled. As a result, the invalid opcode issue is reported when the lapb device goes to up for the second time.  The stack info is as follows: [ 1958.311422][T11356] kernel BUG at net/core/dev.c:6442! [ 1958.312206][T11356] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 1958.315979][T11356] RIP: 0010:napi_enable\u002B0x16a/0x1f0 [ 1958.332310][T11356] Call Trace: [ 1958.332817][T11356]  \u003CTASK\u003E [ 1958.336135][T11356]  lapbeth_open\u002B0x18/0x90 [ 1958.337446][T11356]  __dev_open\u002B0x258/0x490 [ 1958.341672][T11356]  __dev_change_flags\u002B0x4d4/0x6a0 [ 1958.345325][T11356]  dev_change_flags\u002B0x93/0x160 [ 1958.346027][T11356]  devinet_ioctl\u002B0x1276/0x1bf0 [ 1958.346738][T11356]  inet_ioctl\u002B0x1c8/0x2d0 [ 1958.349638][T11356]  sock_ioctl\u002B0x5d1/0x750 [ 1958.356059][T11356]  __x64_sys_ioctl\u002B0x3ec/0x1790 [ 1958.365594][T11356]  do_syscall_64\u002B0x35/0x80 [ 1958.366239][T11356]  entry_SYSCALL_64_after_hwframe\u002B0x46/0xb0 [ 1958.377381][T11356]  \u003C/TASK\u003E",
  "published": "2025-05-01T15:16:09Z",
  "severity": "high",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.0021,
  "epssPercentile": 0.11284,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.0.10-1",
      "fix": "DEBIAN-CVE-2022-49859",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49859",
      "released": "2025-05-01T15:16:09Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.0.10-1",
      "fix": "DEBIAN-CVE-2022-49859",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49859",
      "released": "2025-05-01T15:16:09Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.0.10-1",
      "fix": "DEBIAN-CVE-2022-49859",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49859",
      "released": "2025-05-01T15:16:09Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}