{
  "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-2025-39937",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-39937",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-10-04T07:31:00.879Z",
    "updatedAt": "2026-05-11T21:39:18.519Z",
    "importedAt": "2026-10-24T01:57:34.152Z",
    "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": "net: rfkill: gpio: Fix crash due to dereferencering uninitialized pointer",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: rfkill: gpio: Fix crash due to dereferencering uninitialized pointer\n\nSince commit 7d5e9737efda (\"net: rfkill: gpio: get the name and type from\ndevice property\") rfkill_find_type() gets called with the possibly\nuninitialized \"const char *type_name;\" local variable.\n\nOn x86 systems when rfkill-gpio binds to a \"BCM4752\" or \"LNV4752\"\nacpi_device, the rfkill->type is set based on the ACPI acpi_device_id:\n\n        rfkill->type = (unsigned)id->driver_data;\n\nand there is no \"type\" property so device_property_read_string() will fail\nand leave type_name uninitialized, leading to a potential crash.\n\nrfkill_find_type() does accept a NULL pointer, fix the potential crash\nby initializing type_name to NULL.\n\nNote likely sofar this has not been caught because:\n\n1. Not many x86 machines actually have a \"BCM4752\"/\"LNV4752\" acpi_device\n2. The stack happened to contain NULL where type_name is stored",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "7d5e9737efda16535e5b54bd627ef4881d11d31f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "184f608a68f96794e8fe58cd5535014d53622cde"
            },
            {
              "version": "7d5e9737efda16535e5b54bd627ef4881d11d31f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8793e7a8e1b60131a825457174ed6398111daeb7"
            },
            {
              "version": "7d5e9737efda16535e5b54bd627ef4881d11d31f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ada2282259243387e6b6e89239aeb4897e62f051"
            },
            {
              "version": "7d5e9737efda16535e5b54bd627ef4881d11d31f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "47ade5f9d70b23a119ec20b1c6504864b2543a79"
            },
            {
              "version": "7d5e9737efda16535e5b54bd627ef4881d11d31f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "689aee35ce671aab752f159e5c8e66d7685e6887"
            },
            {
              "version": "7d5e9737efda16535e5b54bd627ef4881d11d31f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "21ba85d9d508422ca9e6698463ff9357c928c22d"
            },
            {
              "version": "7d5e9737efda16535e5b54bd627ef4881d11d31f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "21a39b958b4bcf44f7674bfbbe1bbb8cad0d842d"
            },
            {
              "version": "7d5e9737efda16535e5b54bd627ef4881d11d31f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b6f56a44e4c1014b08859dcf04ed246500e310e5"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.6",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.6"
            },
            {
              "version": "5.4.300",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.245",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.194",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.154",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.108",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.49",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.16.9",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.16.*"
            },
            {
              "version": "6.17",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}