CVE-2026-43212

LoongArch: Make cpumask_of_node() robust against NUMA_NO_NODE

State: Published
Severity: 7.8 High
Published: May 6, 2026
Updated: Aug 5, 2026
Reserved: May 1, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 to before b5bf05e05cdf489a04137e4da407de9d4cca5295Affected d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 to before bb1a54f7f011f19ed936632698eae574e0b91063Affected d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 to before 92adfb707beec0fe956424373654a70aad35ea13Affected d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 to before 61a56df2fbaad3a4d00f0c6a904b5d1ee8982eb4Affected d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 to before 1d8f2f024801019d85159a020b72a4424b46bcf4Affected d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 to before 94b0c831eda778ae9e4f2164a8b3de485d8977bbAffected
LinuxLinux	5.19Affected before 5.19Not affected 6.1.165 through 6.1.Not affected 6.6.128 through 6.6.Not affected 6.12.75 through 6.12.Not affected 6.18.16 through 6.18.Not affected 6.19.6 through 6.19.*Not affected 7.0 and laterNot affected

Product

Versions

LinuxLinux

d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 to before b5bf05e05cdf489a04137e4da407de9d4cca5295Affected
d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 to before bb1a54f7f011f19ed936632698eae574e0b91063Affected
d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 to before 92adfb707beec0fe956424373654a70aad35ea13Affected
d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 to before 61a56df2fbaad3a4d00f0c6a904b5d1ee8982eb4Affected
d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 to before 1d8f2f024801019d85159a020b72a4424b46bcf4Affected
d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 to before 94b0c831eda778ae9e4f2164a8b3de485d8977bbAffected

LinuxLinux

5.19Affected
before 5.19Not affected
6.1.165 through 6.1.*Not affected
6.6.128 through 6.6.*Not affected
6.12.75 through 6.12.*Not affected
6.18.16 through 6.18.*Not affected
6.19.6 through 6.19.*Not affected
7.0 and laterNot affected

References

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