{
  "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-2026-64521",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-64521",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-07-25T09:14:46.709Z",
    "updatedAt": "2026-07-25T09:14:46.709Z",
    "importedAt": "2026-10-24T01:58:25.636Z",
    "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": "pinctrl: meson: amlogic-a4: fix deadlock issue",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: meson: amlogic-a4: fix deadlock issue\n\nAccessing the pinconf-pins sysfs node may deadlock.\n\npinconf_pins_show() holds pctldev->mutex, and the platform driver\ncalls pinctrl_find_gpio_range_from_pin(), which tries to acquire\nthe same mutex again, leading to a deadlock.\n\nUse pinctrl_find_gpio_range_from_pin_nolock() to fix this issue.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "6e9be3abb78c2f6c97a51070004a5165702f0ed9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e917713f013423069782ff554935c7a5d4266783"
            },
            {
              "version": "6e9be3abb78c2f6c97a51070004a5165702f0ed9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "744ac926c0e55267a10b49b5b72582afef4ad49f"
            },
            {
              "version": "6e9be3abb78c2f6c97a51070004a5165702f0ed9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e72ce029810390eb987a036fb2c8a5da9a23b685"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.15",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.15"
            },
            {
              "version": "6.18.34",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.0.11",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.0.*"
            },
            {
              "version": "7.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}