Vulnerability-Lookup

GHSA-MX8G-QC6M-WCMF

Vulnerability from github – Published: 2026-02-18 15:31 – Updated: 2026-02-18 15:31

Details

In the Linux kernel, the following vulnerability has been resolved:

gpio: loongson-64bit: Fix incorrect NULL check after devm_kcalloc()

Fix incorrect NULL check in loongson_gpio_init_irqchip(). The function checks chip->parent instead of chip->irq.parents.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-23218"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-18T15:18:43Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: loongson-64bit: Fix incorrect NULL check after devm_kcalloc()\n\nFix incorrect NULL check in loongson_gpio_init_irqchip().\nThe function checks chip-\u003eparent instead of chip-\u003eirq.parents.",
  "id": "GHSA-mx8g-qc6m-wcmf",
  "modified": "2026-02-18T15:31:27Z",
  "published": "2026-02-18T15:31:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23218"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e34f77b09080c86c929153e2a72da26b4f8947ff"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e71e3fa90a15134113f61343392e887cd1f4bf7c"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-23218 (GCVE-0-2026-23218)

Vulnerability from cvelistv5 – Published: 2026-02-18 14:21 – Updated: 2026-02-18 14:21

Title

gpio: loongson-64bit: Fix incorrect NULL check after devm_kcalloc()

Summary

In the Linux kernel, the following vulnerability has been resolved: gpio: loongson-64bit: Fix incorrect NULL check after devm_kcalloc() Fix incorrect NULL check in loongson_gpio_init_irqchip(). The function checks chip->parent instead of chip->irq.parents.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/e71e3fa90a1513411…
	https://git.kernel.org/stable/c/e34f77b09080c86c9…

Impacted products

Vendor

Product

Version

Linux

Affected: 03c146cb6cd14fdab2d2c7ab1b4e8035b54df8cc , < e71e3fa90a15134113f61343392e887cd1f4bf7c (git)
Affected: 03c146cb6cd14fdab2d2c7ab1b4e8035b54df8cc , < e34f77b09080c86c929153e2a72da26b4f8947ff (git)

Linux

Affected: 6.18
Unaffected: 0 , < 6.18 (semver)
Unaffected: 6.18.10 , ≤ 6.18.* (semver)
Unaffected: 6.19 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpio/gpio-loongson-64bit.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "e71e3fa90a15134113f61343392e887cd1f4bf7c",
              "status": "affected",
              "version": "03c146cb6cd14fdab2d2c7ab1b4e8035b54df8cc",
              "versionType": "git"
            },
            {
              "lessThan": "e34f77b09080c86c929153e2a72da26b4f8947ff",
              "status": "affected",
              "version": "03c146cb6cd14fdab2d2c7ab1b4e8035b54df8cc",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpio/gpio-loongson-64bit.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.18"
            },
            {
              "lessThan": "6.18",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.19",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.10",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: loongson-64bit: Fix incorrect NULL check after devm_kcalloc()\n\nFix incorrect NULL check in loongson_gpio_init_irqchip().\nThe function checks chip-\u003eparent instead of chip-\u003eirq.parents."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-18T14:21:55.906Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/e71e3fa90a15134113f61343392e887cd1f4bf7c"
        },
        {
          "url": "https://git.kernel.org/stable/c/e34f77b09080c86c929153e2a72da26b4f8947ff"
        }
      ],
      "title": "gpio: loongson-64bit: Fix incorrect NULL check after devm_kcalloc()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23218",
    "datePublished": "2026-02-18T14:21:55.906Z",
    "dateReserved": "2026-01-13T15:37:45.987Z",
    "dateUpdated": "2026-02-18T14:21:55.906Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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-MX8G-QC6M-WCMF

CVE-2026-23218 (GCVE-0-2026-23218)

Tags

Sightings

Nomenclature