{
  "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-2023-52904",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-52904",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2024-08-21T06:10:44.960Z",
    "updatedAt": "2026-05-11T19:35:14.512Z",
    "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: usb-audio: Fix possible NULL pointer dereference in snd_usb_pcm_has_fixed_rate()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Fix possible NULL pointer dereference in snd_usb_pcm_has_fixed_rate()\n\nThe subs function argument may be NULL, so do not use it before the NULL check.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "bfd36b1d1869859af7ba94dc95ec05e74f40d0b7",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f57204edc10760c935d8d36ea999dc8acf018030"
            },
            {
              "version": "e1e0a181aea375edfae2f9a59070f95d904980d1",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a474d4ad59cd4642d1b7e3a6c08cef9eca0992c8"
            },
            {
              "version": "291e9da91403e0e628d7692b5ed505100e7b7706",
              "status": "affected",
              "versionType": "git",
              "lessThan": "92a9c0ad86d47ff4cce899012e355c400f02cfb8"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "5.15.152",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.15.168"
            }
          ]
        }
      ]
    }
  }
}