Vulnerability in Linux

CVE-2026-43212

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (6.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-43212: held from 0.001 to 0.002.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000

Affected products

  • Linux — versions 6.1.165, 5.19, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
  • Linux Kernel

References

Frequently asked questions

What is CVE-2026-43212?
CVE-2026-43212 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-05-06.
How severe is CVE-2026-43212?
High severity. CVSS v3 base score is 7.8 out of 10.