{
  "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-2025-39771",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-39771",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-09-11T16:56:25.209Z",
    "updatedAt": "2026-05-11T21:35:56.415Z",
    "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": "regulator: pca9450: Use devm_register_sys_off_handler",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nregulator: pca9450: Use devm_register_sys_off_handler\n\nWith module test, there is error dump:\n------------[ cut here ]------------\n  notifier callback pca9450_i2c_restart_handler already registered\n  WARNING: kernel/notifier.c:23 at notifier_chain_register+0x5c/0x88,\n  CPU#0: kworker/u16:3/50\n  Call trace:\n  notifier_chain_register+0x5c/0x88 (P)\n  atomic_notifier_chain_register+0x30/0x58\n  register_restart_handler+0x1c/0x28\n  pca9450_i2c_probe+0x418/0x538\n  i2c_device_probe+0x220/0x3d0\n  really_probe+0x114/0x410\n  __driver_probe_device+0xa0/0x150\n  driver_probe_device+0x40/0x114\n  __device_attach_driver+0xd4/0x12c\n\nSo use devm_register_sys_off_handler to let kernel handle the resource\nfree to avoid kernel dump.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "6157e62b07d9331cc1d4d9d525dab33d45b0e83c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7a8c8aa0b0b2c62a0232bf868def85f3069ba7a7"
            },
            {
              "version": "6157e62b07d9331cc1d4d9d525dab33d45b0e83c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "447be50598c05499f7ccc2b1f6ddb3da30f8099a"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.16",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.16"
            },
            {
              "version": "6.16.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.16.*"
            },
            {
              "version": "6.17",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}