LoongArch: Make cpumask_of_node() robust against NUMA_NO_NODE

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Summary

CVECVE-2026-43212
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-06 12:16:40 UTC
Updated2026-05-11 19:57:52 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.000130000 probability, percentile 0.024500000 (date 2026-05-12)

Problem Types: NVD-CWE-noinfo

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 b5bf05e05cdf489a04137e4da407de9d4cca5295 git Not specified
CNA Linux Linux affected d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 bb1a54f7f011f19ed936632698eae574e0b91063 git Not specified
CNA Linux Linux affected d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 92adfb707beec0fe956424373654a70aad35ea13 git Not specified
CNA Linux Linux affected d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 61a56df2fbaad3a4d00f0c6a904b5d1ee8982eb4 git Not specified
CNA Linux Linux affected d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 1d8f2f024801019d85159a020b72a4424b46bcf4 git Not specified
CNA Linux Linux affected d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 94b0c831eda778ae9e4f2164a8b3de485d8977bb git Not specified
CNA Linux Linux affected 5.19 Not specified
CNA Linux Linux unaffected 5.19 semver Not specified
CNA Linux Linux unaffected 6.1.165 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.128 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.75 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.16 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.6 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/bb1a54f7f011f19ed936632698eae574e0b91063 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/b5bf05e05cdf489a04137e4da407de9d4cca5295 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/61a56df2fbaad3a4d00f0c6a904b5d1ee8982eb4 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/94b0c831eda778ae9e4f2164a8b3de485d8977bb 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/1d8f2f024801019d85159a020b72a4424b46bcf4 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/92adfb707beec0fe956424373654a70aad35ea13 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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