{
  "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-2021-47358",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-47358",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2024-05-21T14:44:50.221Z",
    "updatedAt": "2026-08-05T08:47:27.000Z",
    "importedAt": "2026-10-24T01:56:36.661Z",
    "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": "staging: greybus: uart: fix tty use after free",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: greybus: uart: fix tty use after free\n\nUser space can hold a tty open indefinitely and tty drivers must not\nrelease the underlying structures until the last user is gone.\n\nSwitch to using the tty-port reference counter to manage the life time\nof the greybus tty state to avoid use after free after a disconnect.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "a18e15175708d39abbe9746ddc3479466b7800c3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "92b67aaafb7c449db9f0c3dcabc0ff967cb3a42d"
            },
            {
              "version": "a18e15175708d39abbe9746ddc3479466b7800c3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "64062fcaca8872f063ec9da011e7bf30470be33f"
            },
            {
              "version": "a18e15175708d39abbe9746ddc3479466b7800c3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a5cfd51f6348e8fd7531461366946039c29c7e69"
            },
            {
              "version": "a18e15175708d39abbe9746ddc3479466b7800c3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4dc56951a8d9d61d364d346c61a5f1d70b4f5e14"
            },
            {
              "version": "a18e15175708d39abbe9746ddc3479466b7800c3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b9e697e60ce9890e9258a73eb061288e7d68e5e6"
            },
            {
              "version": "a18e15175708d39abbe9746ddc3479466b7800c3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9872ff6fdce8b229f01993b611b5d1719cb70ff1"
            },
            {
              "version": "a18e15175708d39abbe9746ddc3479466b7800c3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "92dc0b1f46e12cfabd28d709bb34f7a39431b44f"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.9",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.9"
            },
            {
              "version": "4.9.285",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.9.*"
            },
            {
              "version": "4.14.249",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.209",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.150",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.70",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.14.9",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.14.*"
            },
            {
              "version": "5.15",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}