{
  "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-2026-89697",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-89697",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-11T19:46:15.772Z",
    "updatedAt": "2026-10-19T08:51:10.455Z",
    "importedAt": "2026-10-24T01:58:35.090Z",
    "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": "nfsd: add fh_want_write() for early-verified SETATTR in nfsd_proc_setattr()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: add fh_want_write() for early-verified SETATTR in nfsd_proc_setattr()\n\nThe BOTH_TIME_SET branch calls fh_verify() early so setattr_prepare()\ncan inspect the dentry. This causes nfsd_setattr() to skip\nfh_want_write(), so notify_change() runs without a mount write\nreference.\n\nAdd the missing fh_want_write() call after the early fh_verify().",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "cc265089ce1b176dde963c74b53593446ee7f99a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3eec9d791968c177a4a8cda9af5c04f79dae09cb"
            },
            {
              "version": "cc265089ce1b176dde963c74b53593446ee7f99a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9229d824b938f4fb0ea7a5dddade51735e6fe6f9"
            },
            {
              "version": "cc265089ce1b176dde963c74b53593446ee7f99a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2150305134889fb2fc25228d35353bd2f6f29500"
            },
            {
              "version": "cc265089ce1b176dde963c74b53593446ee7f99a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d823bf9285cdf4514873b85ab5a888878dd4e8f4"
            },
            {
              "version": "cc265089ce1b176dde963c74b53593446ee7f99a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "15ca3b64a69caa6194bed8f98a20ed90a11c11dd"
            },
            {
              "version": "cc265089ce1b176dde963c74b53593446ee7f99a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "533964d420d385e11b08dd4c56c66ef5dcccaf08"
            },
            {
              "version": "cc265089ce1b176dde963c74b53593446ee7f99a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c4a409b86a92815181a8e9395c6bf1696ad19175"
            },
            {
              "version": "cc265089ce1b176dde963c74b53593446ee7f99a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4e475be769aa9f7a2c1ce55a2b8592cfccacddcc"
            },
            {
              "version": "1cb57d81cf20fe24b9e2e1daf57bfbdc24b77cd8",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "3.18.46",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "3.19"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.2",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.2"
            },
            {
              "version": "5.10.270",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.221",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.188",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.157",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.109",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.50",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.2.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "version": "7.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}