CVE-2026-43212 PUBLISHED

LoongArch: Make cpumask_of_node() robust against NUMA_NO_NODE

Assigner: Linux
Reserved: 01.05.2026 Published: 06.05.2026 Updated: 06.05.2026

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.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to b5bf05e05cdf489a04137e4da407de9d4cca5295 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to bb1a54f7f011f19ed936632698eae574e0b91063 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 92adfb707beec0fe956424373654a70aad35ea13 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 61a56df2fbaad3a4d00f0c6a904b5d1ee8982eb4 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 1d8f2f024801019d85159a020b72a4424b46bcf4 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 94b0c831eda778ae9e4f2164a8b3de485d8977bb (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • unaffected from 6.1.165 to 6.1.* (incl.)
  • unaffected from 6.6.128 to 6.6.* (incl.)
  • unaffected from 6.12.75 to 6.12.* (incl.)
  • unaffected from 6.18.16 to 6.18.* (incl.)
  • unaffected from 6.19.6 to 6.19.* (incl.)
  • unaffected from 7.0 to * (incl.)

References