CVE-2025-39771
regulator: pca9450: Use devm_register_sys_off_handler
Reported by linux · Published September 11, 2025
In the Linux kernel, the following vulnerability has been resolved: regulator: pca9450: Use devm_register_sys_off_handler With module test, there is error dump: ------------[ cut here ]------------ notifier callback pca9450_i2c_restart_handler already registered WARNING: kernel/notifier.c:23 at notifier_chain_register+0x5c/0x88, CPU#0: kworker/u16:3/50 Call trace: notifier_chain_register+0x5c/0x88 (P) atomic_notifier_chain_register+0x30/0x58 register_restart_handler+0x1c/0x28 pca9450_i2c_probe+0x418/0x538 i2c_device_probe+0x220/0x3d0 really_probe+0x114/0x410 __driver_probe_device+0xa0/0x150 driver_probe_device+0x40/0x114 __device_attach_driver+0xd4/0x12c So use devm_register_sys_off_handler to let kernel handle the resource free to avoid kernel dump.
EPSS 0.13% · 2.6th percentile
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| Linux | Linux | 7a8c8aa0b0b2c62a0232bf868def85f3069ba7a7, 447be50598c05499f7ccc2b1f6ddb3da30f8099a |
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 6157e62b07d9331cc1d4d9d525dab33d45b0e83c, 6157e62b07d9331cc1d4d9d525dab33d45b0e83c |
| Linux | Linux | 6.16, 0, 6.16.4 |
| Linux | Linux | 6157e62b07d9331cc1d4d9d525dab33d45b0e83c, 6.16.4, 6.17 |
| linux | linux_kernel | 6.16, 6.16 |
Timeline
- Sep 11, 2025 CVE Published
- Sep 12, 2025 EPSS Score (30 in total, the first dated here)
- May 11, 2026 CVE Updated
- Jun 2, 2026 Security Advisory (152 in total, the first dated here)
- Jun 8, 2026 Coalition ESS Score
- Nov 2, 2026 Distribution Patch (139 in total, the first dated here)
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2025-39771
vulnetix vdb fixes CVE-2025-39771Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2025-39771/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart