{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2025-40081",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-40081",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-10-28T11:48:45.392Z",
    "updatedAt": "2026-10-15T22:02:37.490Z",
    "importedAt": "2026-10-24T01:57:34.152Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "perf: arm_spe: Prevent overflow in PERF_IDX2OFF()",
      "summary": "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": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "d5d9696b03808bc6be723cc85288c912c3a05606",
              "status": "affected",
              "versionType": "git",
              "lessThan": "656e9a5d69acdd1b20462f4a33378b90ddcb9626"
            },
            {
              "version": "d5d9696b03808bc6be723cc85288c912c3a05606",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9c045d4501f7f70724a3bbb561f4f22d292bbfe6"
            },
            {
              "version": "d5d9696b03808bc6be723cc85288c912c3a05606",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5d01f2b81568289443d22f1e13a363f829de6343"
            },
            {
              "version": "d5d9696b03808bc6be723cc85288c912c3a05606",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7500384d3c9587593d75ded3b006835e7aa73ef8"
            },
            {
              "version": "d5d9696b03808bc6be723cc85288c912c3a05606",
              "status": "affected",
              "versionType": "git",
              "lessThan": "379cae2cb982f571cda9493ac573ab71125fd299"
            },
            {
              "version": "d5d9696b03808bc6be723cc85288c912c3a05606",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1a19ba8e1f4ff24ece8ca69b79df8442c431db90"
            },
            {
              "version": "d5d9696b03808bc6be723cc85288c912c3a05606",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e516cfd19b0f4c774a57b17fb43a7f41991f0735"
            },
            {
              "version": "d5d9696b03808bc6be723cc85288c912c3a05606",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a29fea30dd93da16652930162b177941abd8c75e"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.15",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.15"
            },
            {
              "version": "5.4.301",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.246",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.195",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.156",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.112",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.53",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.17.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.17.*"
            },
            {
              "version": "6.18",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}