AUGUST 4, 2026
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Case File

CVE-2025-39742

MEDIUM · CVSS 5.5 EPSS 0.16%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-09-11 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.5. It affects Linux.

CVE
CVE-2025-39742
Severity
MEDIUM
CVSS
5.5
EPSS
0.16%
Linux

Original NVD Description

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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)