Vulnerability-Lookup

GHSA-C859-65Q3-J346

Vulnerability from github – Published: 2026-05-06 12:30 – Updated: 2026-05-08 15:31

Details

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.

Severity ?

7.8 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-43212"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-06T12:16:40Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nLoongArch: Make cpumask_of_node() robust against NUMA_NO_NODE\n\nThe arch definition of cpumask_of_node() cannot handle NUMA_NO_NODE -\nwhich is a valid index - so add a check for this.",
  "id": "GHSA-c859-65q3-j346",
  "modified": "2026-05-08T15:31:17Z",
  "published": "2026-05-06T12:30:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43212"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1d8f2f024801019d85159a020b72a4424b46bcf4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/61a56df2fbaad3a4d00f0c6a904b5d1ee8982eb4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/92adfb707beec0fe956424373654a70aad35ea13"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/94b0c831eda778ae9e4f2164a8b3de485d8977bb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b5bf05e05cdf489a04137e4da407de9d4cca5295"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bb1a54f7f011f19ed936632698eae574e0b91063"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-43212 (GCVE-0-2026-43212)

Vulnerability from cvelistv5 – Published: 2026-05-06 11:28 – Updated: 2026-05-11 22:20

Title

LoongArch: Make cpumask_of_node() robust against NUMA_NO_NODE

Summary

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.

Severity ?

7.8 (High)


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

Assigner

Linux

References

6 references

URL	Tags
https://git.kernel.org/stable/c/b5bf05e05cdf489a0…
https://git.kernel.org/stable/c/bb1a54f7f011f19ed…
https://git.kernel.org/stable/c/92adfb707beec0fe9…
https://git.kernel.org/stable/c/61a56df2fbaad3a4d…
https://git.kernel.org/stable/c/1d8f2f024801019d8…
https://git.kernel.org/stable/c/94b0c831eda778ae9…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 , < b5bf05e05cdf489a04137e4da407de9d4cca5295 (git) Affected: d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 , < bb1a54f7f011f19ed936632698eae574e0b91063 (git) Affected: d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 , < 92adfb707beec0fe956424373654a70aad35ea13 (git) Affected: d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 , < 61a56df2fbaad3a4d00f0c6a904b5d1ee8982eb4 (git) Affected: d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 , < 1d8f2f024801019d85159a020b72a4424b46bcf4 (git) Affected: d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 , < 94b0c831eda778ae9e4f2164a8b3de485d8977bb (git)
Linux	Linux	Affected: 5.19 Unaffected: 0 , < 5.19 (semver) Unaffected: 6.1.165 , ≤ 6.1.* (semver) Unaffected: 6.6.128 , ≤ 6.6.* (semver) Unaffected: 6.12.75 , ≤ 6.12.* (semver) Unaffected: 6.18.16 , ≤ 6.18.* (semver) Unaffected: 6.19.6 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/loongarch/include/asm/topology.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "b5bf05e05cdf489a04137e4da407de9d4cca5295",
              "status": "affected",
              "version": "d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9",
              "versionType": "git"
            },
            {
              "lessThan": "bb1a54f7f011f19ed936632698eae574e0b91063",
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              "version": "d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9",
              "versionType": "git"
            },
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              "status": "affected",
              "version": "d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9",
              "versionType": "git"
            },
            {
              "lessThan": "61a56df2fbaad3a4d00f0c6a904b5d1ee8982eb4",
              "status": "affected",
              "version": "d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9",
              "versionType": "git"
            },
            {
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              "status": "affected",
              "version": "d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9",
              "versionType": "git"
            },
            {
              "lessThan": "94b0c831eda778ae9e4f2164a8b3de485d8977bb",
              "status": "affected",
              "version": "d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "arch/loongarch/include/asm/topology.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.19"
            },
            {
              "lessThan": "5.19",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.165",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.128",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.75",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.16",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "5.19",
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                },
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                },
                {
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                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.6",
                  "versionStartIncluding": "5.19",
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                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "5.19",
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                }
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              "negate": false,
              "operator": "OR"
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        }
      ],
      "metrics": [
        {
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            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T22:20:10.279Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/b5bf05e05cdf489a04137e4da407de9d4cca5295"
        },
        {
          "url": "https://git.kernel.org/stable/c/bb1a54f7f011f19ed936632698eae574e0b91063"
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          "url": "https://git.kernel.org/stable/c/92adfb707beec0fe956424373654a70aad35ea13"
        },
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        },
        {
          "url": "https://git.kernel.org/stable/c/1d8f2f024801019d85159a020b72a4424b46bcf4"
        },
        {
          "url": "https://git.kernel.org/stable/c/94b0c831eda778ae9e4f2164a8b3de485d8977bb"
        }
      ],
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  "cveMetadata": {
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    "cveId": "CVE-2026-43212",
    "datePublished": "2026-05-06T11:28:15.272Z",
    "dateReserved": "2026-05-01T14:12:55.993Z",
    "dateUpdated": "2026-05-11T22:20:10.279Z",
    "state": "PUBLISHED"
  },
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-C859-65Q3-J346

CVE-2026-43212 (GCVE-0-2026-43212)

Tags

Sightings

Nomenclature