{
  "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-2023-53400",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53400",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-09-18T13:33:40.338Z",
    "updatedAt": "2026-05-11T19:44:14.530Z",
    "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": "ALSA: hda: Fix Oops by 9.1 surround channel names",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: hda: Fix Oops by 9.1 surround channel names\n\nget_line_out_pfx() may trigger an Oops by overflowing the static array\nwith more than 8 channels.  This was reported for MacBookPro 12,1 with\nCirrus codec.\n\nAs a workaround, extend for the 9.1 channels and also fix the\npotential Oops by unifying the code paths accessing the same array\nwith the proper size check.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "247d85ee068610c50d66ee0cd3130e02c69f5f2e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "082dcd51667b29097500c824c37f24da997a6a8a"
            },
            {
              "version": "247d85ee068610c50d66ee0cd3130e02c69f5f2e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b5694aae4c2d9a288bafce7d38f122769e0428e6"
            },
            {
              "version": "247d85ee068610c50d66ee0cd3130e02c69f5f2e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4ef155ddf9578bf035964d58739fdcd7dd44b4a4"
            },
            {
              "version": "247d85ee068610c50d66ee0cd3130e02c69f5f2e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "546b1f5f45a355ae0d3a8041cdaca597dfcac825"
            },
            {
              "version": "247d85ee068610c50d66ee0cd3130e02c69f5f2e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e8c7d7c43d5edd20e518fe1dfb2371d1fe6e8bb8"
            },
            {
              "version": "247d85ee068610c50d66ee0cd3130e02c69f5f2e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "dc8c569d59f17b17d7bca4f68c36bd571659921e"
            },
            {
              "version": "247d85ee068610c50d66ee0cd3130e02c69f5f2e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "fcf637461019e9a5a0c12fc5c42a9db1779b0634"
            },
            {
              "version": "247d85ee068610c50d66ee0cd3130e02c69f5f2e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3b44ec8c5c44790a82f07e90db45643c762878c6"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.9",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.9"
            },
            {
              "version": "4.14.316",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.284",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.244",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.181",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.113",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.30",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.3.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.3.*"
            },
            {
              "version": "6.4",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}