What’s Vulnerable › Vulnerabilities

CVE-2026-43165: hwmon: (nct7363) Fix a resource leak in nct7363_present_pwm_fanin

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-06 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: hwmon: (nct7363) Fix a resource leak in nct7363_present_pwm_fanin When calling of_parse_phandle_with_args(), the caller is responsible to call of_node_put() to release the reference of device node. In nct7363_present_pwm_fanin, it does not release the reference, causing a resource leak.

Affected products

• Linux kernel: from 6.13 before 6.18.16; from 6.19 before 6.19.6 — fixed in 6.18.16, 6.19.6

How to fix

Upgrade to a fixed version: Linux kernel 6.18.16, 6.19.6. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/4923bbff0bcffe488b3aa76829c829bd15b02585
• https://git.kernel.org/stable/c/c8cde3ddd12ad7d0e6b5a3e0ea3914a9a778adf4
• https://git.kernel.org/stable/c/fb99b58763a95e20b214fc1dd86837ae00a400b7

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