{
  "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-2024-40920",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-40920",
    "idYear": 2024,
    "status": "PUBLISHED",
    "publishedAt": "2024-07-12T12:25:02.222Z",
    "updatedAt": "2026-08-05T11:34:00.976Z",
    "importedAt": "2026-10-24T01:57:16.009Z",
    "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": "net: bridge: mst: fix suspicious rcu usage in br_mst_set_state",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: bridge: mst: fix suspicious rcu usage in br_mst_set_state\n\nI converted br_mst_set_state to RCU to avoid a vlan use-after-free\nbut forgot to change the vlan group dereference helper. Switch to vlan\ngroup RCU deref helper to fix the suspicious rcu usage warning.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "8ca9a750fc711911ef616ceb627d07357b04545e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "caaa2129784a04dcade0ea92c12e6ff90bbd23d8"
            },
            {
              "version": "4488617e5e995a09abe4d81add5fb165674edb59",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7caefa2771722e65496d85b62e1dc4442b7d1345"
            },
            {
              "version": "e43dd2b1ec746e105b7db5f9ad6ef14685a615a4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "406bfc04b01ee47e4c626f77ecc7d9f85135b166"
            },
            {
              "version": "3a7c1661ae1383364cd6092d851f5e5da64d476b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "546ceb1dfdac866648ec959cbc71d9525bd73462"
            },
            {
              "version": "a2b01e65d9ba8af2bb086d3b7288ca53a07249ac",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "6.8.12",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.9"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "6.1.93",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.1.95"
            },
            {
              "version": "6.6.33",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.6.35"
            },
            {
              "version": "6.9.3",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.9.6"
            }
          ]
        }
      ]
    }
  }
}