{
  "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-2021-46950",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-46950",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2024-02-27T18:40:34.106Z",
    "updatedAt": "2026-05-23T15:18:44.268Z",
    "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": "md/raid1: properly indicate failure when ending a failed write request",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid1: properly indicate failure when ending a failed write request\n\nThis patch addresses a data corruption bug in raid1 arrays using bitmaps.\nWithout this fix, the bitmap bits for the failed I/O end up being cleared.\n\nSince we are in the failure leg of raid1_end_write_request, the request\neither needs to be retried (R1BIO_WriteError) or failed (R1BIO_Degraded).",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "900c531899f5ee2321bef79e20055787bc73251d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "12216d0919b64ee2ea5dc7a50e455670f44383d5"
            },
            {
              "version": "1cd972e0a10760a1fa27d9830d78446c891c23b6",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a6e17cab00fc5bf85472434c52ac751426257c6f"
            },
            {
              "version": "eeba6809d8d58908b5ed1b5ceb5fcb09a98a7cad",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6920cef604fa57f9409e3960413e9cc11f5c5a40"
            },
            {
              "version": "eeba6809d8d58908b5ed1b5ceb5fcb09a98a7cad",
              "status": "affected",
              "versionType": "git",
              "lessThan": "661061a45e32d8b2cc0e306da9f169ad44011382"
            },
            {
              "version": "eeba6809d8d58908b5ed1b5ceb5fcb09a98a7cad",
              "status": "affected",
              "versionType": "git",
              "lessThan": "59452e551784b7a57a45d971727e9db63b192515"
            },
            {
              "version": "eeba6809d8d58908b5ed1b5ceb5fcb09a98a7cad",
              "status": "affected",
              "versionType": "git",
              "lessThan": "538244fba59fde17186322776247cd9c05be86dd"
            },
            {
              "version": "eeba6809d8d58908b5ed1b5ceb5fcb09a98a7cad",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2417b9869b81882ab90fd5ed1081a1cb2d4db1dd"
            },
            {
              "version": "a1f4fcb880988a96c0b2d5c3305ffc4e49eca0ed",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "344242d50f468a250bf4b6136934392758412ed8",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "4.14.147",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.14.233"
            },
            {
              "version": "4.19.77",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.19.191"
            },
            {
              "version": "5.2.19",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.3"
            },
            {
              "version": "5.3.4",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.4"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.4",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.4"
            },
            {
              "version": "4.14.233",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.191",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.118",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.36",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.11.20",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.11.*"
            },
            {
              "version": "5.12.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.12.*"
            },
            {
              "version": "5.13",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}