{
  "cveId": "CVE-2022-49907",
  "url": "https://patchblox.com/security/cve/CVE-2022-49907",
  "summary": "CVE-2022-49907 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49907, 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: mdio: fix undefined behavior in bit shift f...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  net: mdio: fix undefined behavior in bit shift for __mdiobus_register  Shifting signed 32-bit value by 31 bits is undefined, so changing significant bit to unsigned. The UBSAN warning calltrace like below:  UBSAN: shift-out-of-bounds in drivers/net/phy/mdio_bus.c:586:27 left shift of 1 by 31 places cannot be represented in type \u0027int\u0027 Call Trace:  \u003CTASK\u003E  dump_stack_lvl\u002B0x7d/0xa5  dump_stack\u002B0x15/0x1b  ubsan_epilogue\u002B0xe/0x4e  __ubsan_handle_shift_out_of_bounds\u002B0x1e7/0x20c  __mdiobus_register\u002B0x49d/0x4e0  fixed_mdio_bus_init\u002B0xd8/0x12d  do_one_initcall\u002B0x76/0x430  kernel_init_freeable\u002B0x3b3/0x422  kernel_init\u002B0x24/0x1e0  ret_from_fork\u002B0x1f/0x30  \u003C/TASK\u003E",
  "published": "2025-05-01T15:16:15Z",
  "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": 0.0023,
  "epssPercentile": 0.13836,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.0.8-1",
      "fix": "DEBIAN-CVE-2022-49907",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49907",
      "released": "2025-05-01T15:16:15Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.0.8-1",
      "fix": "DEBIAN-CVE-2022-49907",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49907",
      "released": "2025-05-01T15:16:15Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.0.8-1",
      "fix": "DEBIAN-CVE-2022-49907",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49907",
      "released": "2025-05-01T15:16:15Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}