{
  "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-2023-52840",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-52840",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2024-05-21T15:31:39.862Z",
    "updatedAt": "2026-05-11T19:34:01.897Z",
    "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": "Input: synaptics-rmi4 - fix use after free in rmi_unregister_function()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: synaptics-rmi4 - fix use after free in rmi_unregister_function()\n\nThe put_device() calls rmi_release_function() which frees \"fn\" so the\ndereference on the next line \"fn->num_of_irqs\" is a use after free.\nMove the put_device() to the end to fix this.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "24d28e4f1271cb2f91613dada8f2acccd00eff56",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2f236d8638f5b43e0c72919a6a27fe286c32053f"
            },
            {
              "version": "24d28e4f1271cb2f91613dada8f2acccd00eff56",
              "status": "affected",
              "versionType": "git",
              "lessThan": "50d12253666195a14c6cd2b81c376e2dbeedbdff"
            },
            {
              "version": "24d28e4f1271cb2f91613dada8f2acccd00eff56",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6c71e065befb2fae8f1461559b940c04e1071bd5"
            },
            {
              "version": "24d28e4f1271cb2f91613dada8f2acccd00eff56",
              "status": "affected",
              "versionType": "git",
              "lessThan": "303766bb92c5c225cf40f9bbbe7e29749406e2f2"
            },
            {
              "version": "24d28e4f1271cb2f91613dada8f2acccd00eff56",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7082b1fb5321037bc11ba1cf2d7ed23c6b2b521f"
            },
            {
              "version": "24d28e4f1271cb2f91613dada8f2acccd00eff56",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cc56c4d17721dcb10ad4e9c9266e449be1462683"
            },
            {
              "version": "24d28e4f1271cb2f91613dada8f2acccd00eff56",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c8e639f5743cf4b01f8c65e0df075fe4d782b585"
            },
            {
              "version": "24d28e4f1271cb2f91613dada8f2acccd00eff56",
              "status": "affected",
              "versionType": "git",
              "lessThan": "eb988e46da2e4eae89f5337e047ce372fe33d5b1"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.18",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.18"
            },
            {
              "version": "4.19.299",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.261",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.201",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.139",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.63",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.5.12",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.5.*"
            },
            {
              "version": "6.6.2",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.7",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}