{
  "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-2026-98423",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-98423",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-10-14T13:27:51.391Z",
    "updatedAt": "2026-10-19T09:19:16.854Z",
    "importedAt": "2026-10-24T01:58:41.756Z",
    "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": "wifi: mac80211_hwsim: don't hand frames to mac80211 while stopping",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211_hwsim: don't hand frames to mac80211 while stopping\n\nThe code checks ->started for frames coming from wmediumd, but the\nradio can be stopped after the check and before frame delivery,\ncausing mac80211 to hit the WARN_ON(!local->started).\n\nExpand the mutex for this case and synchronise against it when the\nradio is stopped to avoid being able to hit the warning with hwsim.\n\nDrop the error print that would've complicated the error path, it\nonly triggers for allocation failures (already noisy) and malformed\nframes anyway.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "7882513bacb176ab4aacceefdd035ca9479da4fb",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5ce9b2bc9e73213e316a8c72400256a76bf41814"
            },
            {
              "version": "7882513bacb176ab4aacceefdd035ca9479da4fb",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c4e4fe330294e3936e0f4e15d6996468f8a45fb2"
            },
            {
              "version": "7882513bacb176ab4aacceefdd035ca9479da4fb",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2f59be7585dc81baa6f36b0035dd6848ea43d318"
            },
            {
              "version": "7882513bacb176ab4aacceefdd035ca9479da4fb",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5c79ef616aa16af582fb2cb93b0f750975a0004f"
            },
            {
              "version": "7882513bacb176ab4aacceefdd035ca9479da4fb",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d7fa45d8123a7f794b93fc22dbcf19f38dc4d8cb"
            },
            {
              "version": "7882513bacb176ab4aacceefdd035ca9479da4fb",
              "status": "affected",
              "versionType": "git",
              "lessThan": "87840d4a3a21b1c19b867a80e16ba69dff284de2"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.1",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.1"
            },
            {
              "version": "6.1.189",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.158",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.112",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.54",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.2.8",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "version": "7.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}