cvedb.io
CVE-2025-39872
MEDIUM · CVSS 5.5
EPSS exploitation probability: 0%
Published 2025-09-23T06:15:46.533 · Last modified 2026-06-17T09:18:41.210

Summary

In the Linux kernel, the following vulnerability has been resolved: hsr: hold rcu and dev lock for hsr_get_port_ndev hsr_get_port_ndev calls hsr_for_each_port, which need to hold rcu lock. On the other hand, before return the port device, we need to hold the device reference to avoid UaF in the caller function.

Affected products

linux — linux_kernel

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.