{
  "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-2022-49587",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49587",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-26T02:23:22.049Z",
    "updatedAt": "2026-05-11T19:02:49.884Z",
    "importedAt": "2026-10-24T01:56:49.724Z",
    "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": "tcp: Fix a data-race around sysctl_tcp_notsent_lowat.",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: Fix a data-race around sysctl_tcp_notsent_lowat.\n\nWhile reading sysctl_tcp_notsent_lowat, it can be changed concurrently.\nThus, we need to add READ_ONCE() to its reader.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36",
              "status": "affected",
              "versionType": "git",
              "lessThan": "91e21df688f8a75255ca9c459da39ac96300113a"
            },
            {
              "version": "c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c1b85c5a34294f7444c13bf828e0e84b0a0eed85"
            },
            {
              "version": "c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36",
              "status": "affected",
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              "lessThan": "0f75343584ee474303e17efe0610bdd170af1d13"
            },
            {
              "version": "c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36",
              "status": "affected",
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              "lessThan": "e9362a993886613ef0284c2a4911c6017c97d803"
            },
            {
              "version": "c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36",
              "status": "affected",
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              "lessThan": "fd6f1284e380c377932186042ff0b5c987fb2b92"
            },
            {
              "version": "c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36",
              "status": "affected",
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              "lessThan": "80d4d0c461674eea87f0977e12a2ecd334b9b79c"
            },
            {
              "version": "c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36",
              "status": "affected",
              "versionType": "git",
              "lessThan": "62e56cfeb2ae4b53ae9ca24c80f54093250ce64a"
            },
            {
              "version": "c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36",
              "status": "affected",
              "versionType": "git",
              "lessThan": "55be873695ed8912eb77ff46d1d1cadf028bd0f3"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.12",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.12"
            },
            {
              "version": "4.9.325",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.9.*"
            },
            {
              "version": "4.14.290",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.254",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.208",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.134",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.58",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.18.15",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.18.*"
            },
            {
              "version": "5.19",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}