CVE-2026-43212

kernel: LoongArch: Make cpumask_of_node() robust against NUMA_NO_NODE

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Severity

Low

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · May 6, 2026

Updated · October 20, 2026

Description

A flaw was found in the Linux kernel, specifically within the cpumask_of_node() function on the LoongArch architecture. This function did not properly handle the NUMA_NO_NODE index, which is a valid input. This oversight could lead to unexpected system behavior or instability, potentially impacting resource management within the kernel.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-1285 · Improper Validation of Specified Index, Position, or Offset in Input