How severe is CVE-2026-43165?

CVE-2026-43165 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-43165 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-43165?

CVE-2026-43165 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-43165?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-43165 have an EU (EUVD) identifier?

Yes. CVE-2026-43165 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-27724.

When was CVE-2026-43165 published?

CVE-2026-43165 was published on 2026-05-06 and last updated on 2026-06-17.

CVE-2026-43165

CVE-2026-43165 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-401.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-27724
Weakness: CWE-401
Affected product: Linux Linux Kernel
Published: 2026-05-06
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-43165?: 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.
How severe is CVE-2026-43165?: CVE-2026-43165 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-43165 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-43165?: CVE-2026-43165 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-43165?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-43165 have an EU (EUVD) identifier?: Yes. CVE-2026-43165 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-27724.
When was CVE-2026-43165 published?: CVE-2026-43165 was published on 2026-05-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

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