{
  "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-2023-53648",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53648",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-10-07T15:19:45.780Z",
    "updatedAt": "2026-05-11T19:49:13.426Z",
    "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: ac97: Fix possible NULL dereference in snd_ac97_mixer",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: ac97: Fix possible NULL dereference in snd_ac97_mixer\n\nsmatch error:\nsound/pci/ac97/ac97_codec.c:2354 snd_ac97_mixer() error:\nwe previously assumed 'rac97' could be null (see line 2072)\n\nremove redundant assignment, return error if rac97 is NULL.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "da3cec35dd3c31d8706db4bf379372ce70d92118",
              "status": "affected",
              "versionType": "git",
              "lessThan": "809af7bb4219bdeef0dbb8b2ed700d6516d13fe9"
            },
            {
              "version": "da3cec35dd3c31d8706db4bf379372ce70d92118",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e4cccff1e7ab6ea30995b6fbbb007d02647e025c"
            },
            {
              "version": "da3cec35dd3c31d8706db4bf379372ce70d92118",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5f13d67027fa782096e6aee0db5dce61c4aeb613"
            },
            {
              "version": "da3cec35dd3c31d8706db4bf379372ce70d92118",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f923a582217b198b557756809ffe42ac0fad6adb"
            },
            {
              "version": "da3cec35dd3c31d8706db4bf379372ce70d92118",
              "status": "affected",
              "versionType": "git",
              "lessThan": "300e26e3e64880de5013eac8831cf44387ef752c"
            },
            {
              "version": "da3cec35dd3c31d8706db4bf379372ce70d92118",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d28b83252e150155b8b8c65b612c555e93c8b45f"
            },
            {
              "version": "da3cec35dd3c31d8706db4bf379372ce70d92118",
              "status": "affected",
              "versionType": "git",
              "lessThan": "09baf460dfba79ee6a0c72e68ccdbbba84d894df"
            },
            {
              "version": "da3cec35dd3c31d8706db4bf379372ce70d92118",
              "status": "affected",
              "versionType": "git",
              "lessThan": "228da1fa124470606ac19783e551f9d51a1e01b0"
            },
            {
              "version": "da3cec35dd3c31d8706db4bf379372ce70d92118",
              "status": "affected",
              "versionType": "git",
              "lessThan": "79597c8bf64ca99eab385115743131d260339da5"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.28",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.28"
            },
            {
              "version": "4.14.322",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.291",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.251",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "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": "6.3.13",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.3.*"
            },
            {
              "version": "6.4.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.4.*"
            },
            {
              "version": "6.5",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}