{
  "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-2026-98752",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-98752",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-10-18T15:47:36.877Z",
    "updatedAt": "2026-10-21T12:56:27.804Z",
    "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": "tty: port: fix tty_port_tty_vhangup() race",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ntty: port: fix tty_port_tty_vhangup() race\n\nDrivers rely on tty_port_tty_vhangup() to synchronously hang up their\nports before tearing down resources as part of deregistration (e.g. on\nphysical disconnect).\n\nIf tty_port_tty_vhangup() races with another hangup it may however\nreturn before the port has been shut down. This is in turn can lead to\nuse-after-free and NULL-pointer dereferences in racing ioctls (including\na synchronous hangup) and in processing of racing asynchronous hangups\n(carrier loss).\n\nAdd the missing serialisation to tty_port_tty_vhangup() and\ntty_port_hangup() so that the former does not return until the port has\nbeen shut down also when there is a racing hangup.\n\nNote that serial core does not use tty_port_hangup(), but it already\nholds the port mutex when clearing port->tty and shutting down the port\nin uart_hangup().",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "7ca0ff9ab3218ec443a7a9ad247e4650373ed41e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ce220b4cdf62f73db0c1940f968eb33b9899fdd0"
            },
            {
              "version": "7ca0ff9ab3218ec443a7a9ad247e4650373ed41e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6d1a984afc3ca477dab3e51ec806671d443ad524"
            },
            {
              "version": "7ca0ff9ab3218ec443a7a9ad247e4650373ed41e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6b7be3b9b857947e9c1338d4919d4ebd3b75e907"
            },
            {
              "version": "7ca0ff9ab3218ec443a7a9ad247e4650373ed41e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "017b18addbe8dcace1a569a00d40ed1ba1e03f4c"
            },
            {
              "version": "7ca0ff9ab3218ec443a7a9ad247e4650373ed41e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b48820de8c1a596c5b99775524dfce73c6576c5d"
            },
            {
              "version": "4260dc792fabfd20c8644fa9414b2ae48372365f",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "2.6.31.2",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "2.6.32"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.32",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.32"
            },
            {
              "version": "6.6.160",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.113",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.56",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.2.10",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "version": "7.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}