{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2025-40081",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2025-40081"
  ],
  "published": "2025-10-28T11:50:45Z",
  "summary": "perf: arm_spe: Prevent overflow in PERF_IDX2OFF()",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf: arm_spe: Prevent overflow in PERF_IDX2OFF()\n\nCast nr_pages to unsigned long to avoid overflow when handling large\nAUX buffer sizes (>= 2 GiB).",
  "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": "6.1.156",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-40081"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/656e9a5d69acdd1b20462f4a33378b90ddcb9626"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/9c045d4501f7f70724a3bbb561f4f22d292bbfe6"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/5d01f2b81568289443d22f1e13a363f829de6343"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/7500384d3c9587593d75ded3b006835e7aa73ef8"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/379cae2cb982f571cda9493ac573ab71125fd299"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/1a19ba8e1f4ff24ece8ca69b79df8442c431db90"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/e516cfd19b0f4c774a57b17fb43a7f41991f0735"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/a29fea30dd93da16652930162b177941abd8c75e"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-05T12:19:11Z"
  }
}