{
  "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-2026-90334",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-90334",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-17T16:08:47.462Z",
    "updatedAt": "2026-10-19T09:01:51.379Z",
    "importedAt": "2026-10-24T01:58:35.090Z",
    "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: clear cdev pointer after cdev_add() failure",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ntty: clear cdev pointer after cdev_add() failure\n\ntty_cdev_add() drops the cdev reference when cdev_add() fails, but\nleaves driver->cdevs[index] pointing to freed memory.\ntty_unregister_device() later passes that stale pointer to cdev_del(),\ncausing a use-after-free.\n\nClear the slot after dropping the reference.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "c1a752ba2d6b8a52879c7ab637cff38359ea9827",
              "status": "affected",
              "versionType": "git",
              "lessThan": "fb1de260033c215dba438973d82b48562bdc86bb"
            },
            {
              "version": "c1a752ba2d6b8a52879c7ab637cff38359ea9827",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e9e64dd02fd68776afda00777591eca0c3984285"
            },
            {
              "version": "c1a752ba2d6b8a52879c7ab637cff38359ea9827",
              "status": "affected",
              "versionType": "git",
              "lessThan": "33a44333a9dfda044b0e233399b12ead7f8a90ae"
            },
            {
              "version": "c1a752ba2d6b8a52879c7ab637cff38359ea9827",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d331c63570af61ef7aaf516b64a8d6f47518a3a4"
            },
            {
              "version": "c1a752ba2d6b8a52879c7ab637cff38359ea9827",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a83fcddf3c75d004f12aa13555bb73da19fb75a9"
            },
            {
              "version": "c1a752ba2d6b8a52879c7ab637cff38359ea9827",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4f6bd79bb7e55095f09bec9b4eb6c09df1306116"
            },
            {
              "version": "c1a752ba2d6b8a52879c7ab637cff38359ea9827",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5c5a795bf6248fe96f96dd9fd79d66bbb4a92077"
            },
            {
              "version": "c1a752ba2d6b8a52879c7ab637cff38359ea9827",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6645856f0df3aeecd45519cb611415b4b89c2223"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.3",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.3"
            },
            {
              "version": "5.10.270",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.221",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.188",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.157",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.110",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.52",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.2.6",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "version": "7.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}