{
  "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-2025-38162",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-38162",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-07-03T08:36:03.731Z",
    "updatedAt": "2026-10-15T21:52:09.997Z",
    "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": "netfilter: nft_set_pipapo: prevent overflow in lookup table allocation",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nft_set_pipapo: prevent overflow in lookup table allocation\n\nWhen calculating the lookup table size, ensure the following\nmultiplication does not overflow:\n\n- desc->field_len[] maximum value is U8_MAX multiplied by\n  NFT_PIPAPO_GROUPS_PER_BYTE(f) that can be 2, worst case.\n- NFT_PIPAPO_BUCKETS(f->bb) is 2^8, worst case.\n- sizeof(unsigned long), from sizeof(*f->lt), lt in\n  struct nft_pipapo_field.\n\nThen, use check_mul_overflow() to multiply by bucket size and then use\ncheck_add_overflow() to the alignment for avx2 (if needed). Finally, add\nlt_size_check_overflow() helper and use it to consolidate this.\n\nWhile at it, replace leftover allocation using the GFP_KERNEL to\nGFP_KERNEL_ACCOUNT for consistency, in pipapo_resize().",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "3c4287f62044a90e73a561aa05fc46e62da173da",
              "status": "affected",
              "versionType": "git",
              "lessThan": "91edc076439c9e2f34b176149f1c84a47a8ec32f"
            },
            {
              "version": "3c4287f62044a90e73a561aa05fc46e62da173da",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a9e757473561da93c6a4136f0e59aba91ec777fc"
            },
            {
              "version": "3c4287f62044a90e73a561aa05fc46e62da173da",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c1360ac8156c0a3f2385baef91d8d26fd9d39701"
            },
            {
              "version": "3c4287f62044a90e73a561aa05fc46e62da173da",
              "status": "affected",
              "versionType": "git",
              "lessThan": "43fe1181f738295624696ae9ff611790edb65b5e"
            },
            {
              "version": "3c4287f62044a90e73a561aa05fc46e62da173da",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4c5c6aa9967dbe55bd017bb509885928d0f31206"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.6",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.6"
            },
            {
              "version": "6.1.167",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.125",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.34",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.15.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.15.*"
            },
            {
              "version": "6.16",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}