{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2025-21687",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2025-21687"
  ],
  "published": "2025-02-10T16:00:58Z",
  "summary": "vfio/platform: check the bounds of read/write syscalls",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nvfio/platform: check the bounds of read/write syscalls\n\ncount and offset are passed from user space and not checked, only\noffset is capped to 40 bits, which can be used to read/write out of\nbounds of the device.",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
        "1:6.1.47-1+rpt4"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-2712",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v6",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7l",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v8",
            "binary_version": "1:6.1.47-1+rpt4"
          }
        ]
      },
      "database_specific": {
        "per_version": {
          "1:6.1.47-1+rpt4": {
            "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e",
            "upstream_version": "6.1.47",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.128",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-21687"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/f21636f24b6786c8b13f1af4319fa75ffcf17f38"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/9377cdc118cf327248f1a9dde7b87de067681dc9"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/d19a8650fd3d7aed8d1af1d9a77f979a8430eba1"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/ed81d82bb6e9df3a137f2c343ed689e6c68268ef"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/92340e6c5122d823ad064984ef7513eba9204048"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/f65ce06387f8c1fb54bd59e18a8428248ec68eaf"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/6bcb8a5b70b80143db9bf12dfa7d53636f824d53"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/1485932496a1b025235af8aa1e21988d6b7ccd54"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/c981c32c38af80737a2fedc16e270546d139ccdd"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/a20fcaa230f7472456d12cf761ed13938e320ac3"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/665cfd1083866f87301bbd232cb8ba48dcf4acce"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/ce9ff21ea89d191e477a02ad7eabf4f996b80a69"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-05T12:19:11Z"
  }
}