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CVE-2026-43212

LoongArch: Make cpumask_of_node() robust against NUMA_NO_NODE

HIGH
7.8
CVSS Score
Published: May 6, 2026 at 11:28 AM UTC
Updated: August 5, 2026 at 01:24 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
5.19 ≤ v < 6.1.1655.19 ≤ v < 6.12.755.19 ≤ v < 6.18.165.19 ≤ v < 6.19.65.19 ≤ v < 6.6.1285.19 ≤ v < 7.06.13 ≤ v < 6.18.166.19 ≤ v < 6.19.66.2 ≤ v < 6.6.1286.7 ≤ v < 6.12.755.19d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9
Vendor states this is fixed in 1d8f2f024801019d85159a020b72a4424b46bcf4 (fixed)
Vendor states this is fixed in 61a56df2fbaad3a4d00f0c6a904b5d1ee8982eb4 (fixed)
Vendor states this is fixed in 92adfb707beec0fe956424373654a70aad35ea13 (fixed)
Vendor states this is fixed in 94b0c831eda778ae9e4f2164a8b3de485d8977bb (fixed)
Vendor states this is fixed in b5bf05e05cdf489a04137e4da407de9d4cca5295 (fixed)
Vendor states this is fixed in bb1a54f7f011f19ed936632698eae574e0b91063 (fixed)
Vendor states this is fixed in 5.19 (unaffected)
Vendor states this is fixed in 6.1.165 (unaffected)
Vendor states this is fixed in 6.12.75 (unaffected)
Vendor states this is fixed in 6.18.16 (unaffected)
Vendor states this is fixed in 6.19.6 (unaffected)
Vendor states this is fixed in 6.6.128 (unaffected)
Vendor states this is fixed in 7.0 (unaffected)

References (6)

Patch
Source: cverecord
https://git.kernel.org/stable/c/b5bf05e05cdf489a04137e4da407de9d4cca5295
Patch
Source: cverecord
https://git.kernel.org/stable/c/bb1a54f7f011f19ed936632698eae574e0b91063
Patch
Source: cverecord
https://git.kernel.org/stable/c/92adfb707beec0fe956424373654a70aad35ea13
Patch
Source: cverecord
https://git.kernel.org/stable/c/61a56df2fbaad3a4d00f0c6a904b5d1ee8982eb4
Patch
Source: cverecord
https://git.kernel.org/stable/c/1d8f2f024801019d85159a020b72a4424b46bcf4
Patch
Source: cverecord
https://git.kernel.org/stable/c/94b0c831eda778ae9e4f2164a8b3de485d8977bb

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusANALYZED
CWE
NVD-CWE-noinfo

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