{
  "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-2023-53356",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53356",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-09-17T14:56:46.113Z",
    "updatedAt": "2026-05-11T19:43:21.819Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "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": "usb: gadget: u_serial: Add null pointer check in gserial_suspend",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: u_serial: Add null pointer check in gserial_suspend\n\nConsider a case where gserial_disconnect has already cleared\ngser->ioport. And if gserial_suspend gets called afterwards,\nit will lead to accessing of gser->ioport and thus causing\nnull pointer dereference.\n\nAvoid this by adding a null pointer check. Added a static\nspinlock to prevent gser->ioport from becoming null after\nthe newly added null pointer check.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "aba3a8d01d623a5efef48ab8e78752d58d4c90c3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2788a3553f7497075653210b42e2aeb6ba95e28e"
            },
            {
              "version": "aba3a8d01d623a5efef48ab8e78752d58d4c90c3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a8ea7ed644cbf6314b5b0136b5398754b549fb8f"
            },
            {
              "version": "aba3a8d01d623a5efef48ab8e78752d58d4c90c3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e60a827ac074ce6bd58305fe5a86afab5fce6a04"
            },
            {
              "version": "aba3a8d01d623a5efef48ab8e78752d58d4c90c3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "374447e3367767156405bedd230c5d391f4b7962"
            },
            {
              "version": "aba3a8d01d623a5efef48ab8e78752d58d4c90c3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2f6ecb89fe8feb2b60a53325b0eeb9866d88909a"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.8",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.8"
            },
            {
              "version": "5.10.188",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.121",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.39",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.4.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.4.*"
            },
            {
              "version": "6.5",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}