{"cve":"CVE-2025-39771","nvd":{"published":"2025-09-11T17:15:42.683","modified":"2026-10-19T21:10:00.160","status":"Analyzed","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/447be50598c05499f7ccc2b1f6ddb3da30f8099a","https://git.kernel.org/stable/c/7a8c8aa0b0b2c62a0232bf868def85f3069ba7a7"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2025-39771","score":0.0013,"percentile":0.02631,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}