CVE-2026-43212
MediumSummary
A vulnerability in the Linux kernel related to the cpumask_of_node() function has been resolved. This function could not properly handle the NUMA_NO_NODE index, potentially leading to system errors.
Risk Assessment
The lack of proper handling for NUMA_NO_NODE could lead to system instability and potential crashes in NUMA environments, affecting service performance and availability.
Recommendation
It is recommended to update the Linux kernel to the latest version to ensure proper handling of the cpumask_of_node() function and enhance system stability.
Original NVD description (English source)
In the Linux kernel, the following vulnerability has been resolved: LoongArch: Make cpumask_of_node() robust against NUMA_NO_NODE The arch definition of cpumask_of_node() cannot handle NUMA_NO_NODE - which is a valid index - so add a check for this.

