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

Vulnerability from cvelistv5 – Published: 2026-05-06 11:28 – Updated: 2026-05-08 12:41
VLAI?
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
References
Impacted 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)
Create a notification for this product.
    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)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "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",
              "status": "affected",
              "version": "d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9",
              "versionType": "git"
            },
            {
              "lessThan": "92adfb707beec0fe956424373654a70aad35ea13",
              "status": "affected",
              "version": "d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9",
              "versionType": "git"
            },
            {
              "lessThan": "61a56df2fbaad3a4d00f0c6a904b5d1ee8982eb4",
              "status": "affected",
              "version": "d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9",
              "versionType": "git"
            },
            {
              "lessThan": "1d8f2f024801019d85159a020b72a4424b46bcf4",
              "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:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.165",
                  "versionStartIncluding": "5.19",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.128",
                  "versionStartIncluding": "5.19",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.75",
                  "versionStartIncluding": "5.19",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.16",
                  "versionStartIncluding": "5.19",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.6",
                  "versionStartIncluding": "5.19",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "5.19",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "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": "2026-05-08T12:41:18.879Z",
        "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"
        },
        {
          "url": "https://git.kernel.org/stable/c/92adfb707beec0fe956424373654a70aad35ea13"
        },
        {
          "url": "https://git.kernel.org/stable/c/61a56df2fbaad3a4d00f0c6a904b5d1ee8982eb4"
        },
        {
          "url": "https://git.kernel.org/stable/c/1d8f2f024801019d85159a020b72a4424b46bcf4"
        },
        {
          "url": "https://git.kernel.org/stable/c/94b0c831eda778ae9e4f2164a8b3de485d8977bb"
        }
      ],
      "title": "LoongArch: Make cpumask_of_node() robust against NUMA_NO_NODE",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-43212",
    "datePublished": "2026-05-06T11:28:15.272Z",
    "dateReserved": "2026-05-01T14:12:55.993Z",
    "dateUpdated": "2026-05-08T12:41:18.879Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-43212",
      "date": "2026-05-09",
      "epss": "0.00012",
      "percentile": "0.01766"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-43212\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-05-06T12:16:40.687\",\"lastModified\":\"2026-05-08T13:16:45.620\",\"vulnStatus\":\"Undergoing Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"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.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1d8f2f024801019d85159a020b72a4424b46bcf4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/61a56df2fbaad3a4d00f0c6a904b5d1ee8982eb4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/92adfb707beec0fe956424373654a70aad35ea13\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/94b0c831eda778ae9e4f2164a8b3de485d8977bb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b5bf05e05cdf489a04137e4da407de9d4cca5295\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/bb1a54f7f011f19ed936632698eae574e0b91063\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.