{
  "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-2025-21997",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-21997",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-04-03T07:19:00.583Z",
    "updatedAt": "2026-05-11T21:10:39.027Z",
    "importedAt": "2026-10-24T01:57:29.455Z",
    "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": "xsk: fix an integer overflow in xp_create_and_assign_umem()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nxsk: fix an integer overflow in xp_create_and_assign_umem()\n\nSince the i and pool->chunk_size variables are of type 'u32',\ntheir product can wrap around and then be cast to 'u64'.\nThis can lead to two different XDP buffers pointing to the same\nmemory area.\n\nFound by InfoTeCS on behalf of Linux Verification Center\n(linuxtesting.org) with SVACE.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "94033cd8e73b8632bab7c8b7bb54caa4f5616db7",
              "status": "affected",
              "versionType": "git",
              "lessThan": "205649d642a5b376724f04f3a5b3586815e43d3b"
            },
            {
              "version": "94033cd8e73b8632bab7c8b7bb54caa4f5616db7",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b7b4be1fa43294b50b22e812715198629806678a"
            },
            {
              "version": "94033cd8e73b8632bab7c8b7bb54caa4f5616db7",
              "status": "affected",
              "versionType": "git",
              "lessThan": "130290f44bce0eead2b827302109afc3fe189ddd"
            },
            {
              "version": "94033cd8e73b8632bab7c8b7bb54caa4f5616db7",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c7670c197b0f1a8726ad5c87bc2bf001a1fc1bbd"
            },
            {
              "version": "94033cd8e73b8632bab7c8b7bb54caa4f5616db7",
              "status": "affected",
              "versionType": "git",
              "lessThan": "559847f56769037e5b2e0474d3dbff985b98083d"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.16",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.16"
            },
            {
              "version": "6.1.132",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.85",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.21",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.13.9",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.13.*"
            },
            {
              "version": "6.14",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}