CVE-2026-43212: LoongArch: Make cpumask_of_node() robust against NUMA_NO_NODE
Published May 6, 2026
·Updated
In the Linux kernel, the following vulnerability has been resolved:
LoongArch: Make cpumaskofnode() robust against NUMANONODE
The arch definition of cpumaskofnode() cannot handle NUMANONODE - which is a valid index - so add a check for this.
Affected Software
6 affected components
Linux Linux kernel
Linux Linux kernel>=5.19<6.1.165
Linux Linux kernel>=6.2<6.6.128
Linux Linux kernel>=6.7<6.12.75
Linux Linux kernel>=6.13<6.18.16
Linux Linux kernel>=6.19<6.19.6
Event History
May 6, 2026
CVE Published
via MITRE·11:28 AM
Data Sourced
via MITRE·11:28 AM
DescriptionSeverity
Data Sourced
via NVD·12:16 PM
RemedyDescriptionSeverityAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-43212?
CVE-2026-43212 has been assessed with a moderate severity level due to its potential impact on system stability.
2
How do I fix CVE-2026-43212?
To fix CVE-2026-43212, it is recommended to update the Linux kernel to a version that includes the relevant patch.
3
What systems are affected by CVE-2026-43212?
CVE-2026-43212 affects various versions of the Linux kernel ranging from 5.19 to 6.19.
4
What is the nature of the vulnerability in CVE-2026-43212?
CVE-2026-43212 involves robustness issues in the cpumask_of_node() function against the NUMA_NO_NODE index.
5
Is there a known exploit for CVE-2026-43212?
As of now, there are no publicly known exploits specifically targeting CVE-2026-43212.