{
  "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-2021-47166",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-47166",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2024-03-25T09:16:19.133Z",
    "updatedAt": "2026-05-11T13:49:15.200Z",
    "importedAt": "2026-10-24T01:56:36.661Z",
    "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": "NFS: Don't corrupt the value of pg_bytes_written in nfs_do_recoalesce()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFS: Don't corrupt the value of pg_bytes_written in nfs_do_recoalesce()\n\nThe value of mirror->pg_bytes_written should only be updated after a\nsuccessful attempt to flush out the requests on the list.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "a7d42ddb3099727f58366fa006f850a219cce6c8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e8b8418ce14ae66ee55179901edd12191ab06a9e"
            },
            {
              "version": "a7d42ddb3099727f58366fa006f850a219cce6c8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b291baae24f876acd5a5dd57d0bb2bbac8a68b0c"
            },
            {
              "version": "a7d42ddb3099727f58366fa006f850a219cce6c8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c757c1f1e65d89429db1409429436cf40d47c008"
            },
            {
              "version": "a7d42ddb3099727f58366fa006f850a219cce6c8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "40f139a6d50c232c0d1fd1c5e65a845c62db0ede"
            },
            {
              "version": "a7d42ddb3099727f58366fa006f850a219cce6c8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "785917316b25685c9b3a2a88f933139f2de75e33"
            },
            {
              "version": "a7d42ddb3099727f58366fa006f850a219cce6c8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7087db95c0a06ab201b8ebfac6a7ec1e34257997"
            },
            {
              "version": "a7d42ddb3099727f58366fa006f850a219cce6c8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2fe1cac336b55a1f79e603e9ce3552c3623e90eb"
            },
            {
              "version": "a7d42ddb3099727f58366fa006f850a219cce6c8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0d0ea309357dea0d85a82815f02157eb7fcda39f"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.0",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.0"
            },
            {
              "version": "4.4.271",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.4.*"
            },
            {
              "version": "4.9.271",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.9.*"
            },
            {
              "version": "4.14.235",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.193",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.124",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.42",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.12.9",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.12.*"
            },
            {
              "version": "5.13",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}