cvedb.io
CVE-2025-39742
MEDIUM · CVSS 5.5
EPSS exploitation probability: 0%
Published 2025-09-11T17:15:36.733 · Last modified 2026-06-17T09:18:23.450

Summary

In the Linux kernel, the following vulnerability has been resolved: RDMA: hfi1: fix possible divide-by-zero in find_hw_thread_mask() The function divides number of online CPUs by num_core_siblings, and later checks the divider by zero. This implies a possibility to get and divide-by-zero runtime error. Fix it by moving the check prior to division. This also helps to save one indentation level.

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.