{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "6157e62b07d9331cc1d4d9d525dab33d45b0e83c"
            },
            {
              "fixed": "7a8c8aa0b0b2c62a0232bf868def85f3069ba7a7"
            },
            {
              "fixed": "447be50598c05499f7ccc2b1f6ddb3da30f8099a"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39771.json"
  },
  "details": "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.",
  "id": "CVE-2025-39771",
  "modified": "2026-04-01T23:10:01.934704221Z",
  "published": "2025-09-11T16:56:25.209Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/447be50598c05499f7ccc2b1f6ddb3da30f8099a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7a8c8aa0b0b2c62a0232bf868def85f3069ba7a7"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39771.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-39771"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.3",
  "summary": "regulator: pca9450: Use devm_register_sys_off_handler"
}