Vulnerability-Lookup

GHSA-M3XP-X2X9-8QR4

Vulnerability from github – Published: 2026-05-06 12:30 – Updated: 2026-05-13 21:31

Details

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

mfd: core: Add locking around 'mfd_of_node_list'

Manipulating a list in the kernel isn't safe without some sort of mutual exclusion. Add a mutex any time we access / modify 'mfd_of_node_list' to prevent possible crashes.

Severity ?

5.5 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-43143"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-06T12:16:31Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmfd: core: Add locking around \u0027mfd_of_node_list\u0027\n\nManipulating a list in the kernel isn\u0027t safe without some sort of\nmutual exclusion. Add a mutex any time we access / modify\n\u0027mfd_of_node_list\u0027 to prevent possible crashes.",
  "id": "GHSA-m3xp-x2x9-8qr4",
  "modified": "2026-05-13T21:31:58Z",
  "published": "2026-05-06T12:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43143"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/20117c92bcf9c11afd64d7481d8f94fdf410726e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/45341856ecda1d56689451abd5cf1d1aa57dbe47"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9b02e3fec3a7fcb990b4d3bd3b13d7edf123dca6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/db131ef9d8980cf60dcac8cf94c036eccf75e5d0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dcfa679bba02412f2087be21cf06ae88b1f4e0ef"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e2e7c275f557e2b75e3128f4818063798248774c"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-43143 (GCVE-0-2026-43143)

Vulnerability from cvelistv5 – Published: 2026-05-06 11:27 – Updated: 2026-05-11 22:18

Title

mfd: core: Add locking around 'mfd_of_node_list'

Summary

In the Linux kernel, the following vulnerability has been resolved: mfd: core: Add locking around 'mfd_of_node_list' Manipulating a list in the kernel isn't safe without some sort of mutual exclusion. Add a mutex any time we access / modify 'mfd_of_node_list' to prevent possible crashes.

Severity ?

No CVSS data available.

Assigner

Linux

References

6 references

URL	Tags
https://git.kernel.org/stable/c/dcfa679bba02412f2…
https://git.kernel.org/stable/c/e2e7c275f557e2b75…
https://git.kernel.org/stable/c/db131ef9d8980cf60…
https://git.kernel.org/stable/c/9b02e3fec3a7fcb99…
https://git.kernel.org/stable/c/45341856ecda1d566…
https://git.kernel.org/stable/c/20117c92bcf9c11af…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 466a62d7642f02f36d37d9b30c19a725538a01ca , < dcfa679bba02412f2087be21cf06ae88b1f4e0ef (git) Affected: 466a62d7642f02f36d37d9b30c19a725538a01ca , < e2e7c275f557e2b75e3128f4818063798248774c (git) Affected: 466a62d7642f02f36d37d9b30c19a725538a01ca , < db131ef9d8980cf60dcac8cf94c036eccf75e5d0 (git) Affected: 466a62d7642f02f36d37d9b30c19a725538a01ca , < 9b02e3fec3a7fcb990b4d3bd3b13d7edf123dca6 (git) Affected: 466a62d7642f02f36d37d9b30c19a725538a01ca , < 45341856ecda1d56689451abd5cf1d1aa57dbe47 (git) Affected: 466a62d7642f02f36d37d9b30c19a725538a01ca , < 20117c92bcf9c11afd64d7481d8f94fdf410726e (git)
Linux	Linux	Affected: 5.9 Unaffected: 0 , < 5.9 (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": [
            "drivers/mfd/mfd-core.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "dcfa679bba02412f2087be21cf06ae88b1f4e0ef",
              "status": "affected",
              "version": "466a62d7642f02f36d37d9b30c19a725538a01ca",
              "versionType": "git"
            },
            {
              "lessThan": "e2e7c275f557e2b75e3128f4818063798248774c",
              "status": "affected",
              "version": "466a62d7642f02f36d37d9b30c19a725538a01ca",
              "versionType": "git"
            },
            {
              "lessThan": "db131ef9d8980cf60dcac8cf94c036eccf75e5d0",
              "status": "affected",
              "version": "466a62d7642f02f36d37d9b30c19a725538a01ca",
              "versionType": "git"
            },
            {
              "lessThan": "9b02e3fec3a7fcb990b4d3bd3b13d7edf123dca6",
              "status": "affected",
              "version": "466a62d7642f02f36d37d9b30c19a725538a01ca",
              "versionType": "git"
            },
            {
              "lessThan": "45341856ecda1d56689451abd5cf1d1aa57dbe47",
              "status": "affected",
              "version": "466a62d7642f02f36d37d9b30c19a725538a01ca",
              "versionType": "git"
            },
            {
              "lessThan": "20117c92bcf9c11afd64d7481d8f94fdf410726e",
              "status": "affected",
              "version": "466a62d7642f02f36d37d9b30c19a725538a01ca",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/mfd/mfd-core.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.9"
            },
            {
              "lessThan": "5.9",
              "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": "5.9",
                  "vulnerable": true
                },
                {
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                },
                {
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                  "versionStartIncluding": "5.9",
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                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.16",
                  "versionStartIncluding": "5.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.6",
                  "versionStartIncluding": "5.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "5.9",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmfd: core: Add locking around \u0027mfd_of_node_list\u0027\n\nManipulating a list in the kernel isn\u0027t safe without some sort of\nmutual exclusion. Add a mutex any time we access / modify\n\u0027mfd_of_node_list\u0027 to prevent possible crashes."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T22:18:35.396Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/dcfa679bba02412f2087be21cf06ae88b1f4e0ef"
        },
        {
          "url": "https://git.kernel.org/stable/c/e2e7c275f557e2b75e3128f4818063798248774c"
        },
        {
          "url": "https://git.kernel.org/stable/c/db131ef9d8980cf60dcac8cf94c036eccf75e5d0"
        },
        {
          "url": "https://git.kernel.org/stable/c/9b02e3fec3a7fcb990b4d3bd3b13d7edf123dca6"
        },
        {
          "url": "https://git.kernel.org/stable/c/45341856ecda1d56689451abd5cf1d1aa57dbe47"
        },
        {
          "url": "https://git.kernel.org/stable/c/20117c92bcf9c11afd64d7481d8f94fdf410726e"
        }
      ],
      "title": "mfd: core: Add locking around \u0027mfd_of_node_list\u0027",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-43143",
    "datePublished": "2026-05-06T11:27:27.506Z",
    "dateReserved": "2026-05-01T14:12:55.989Z",
    "dateUpdated": "2026-05-11T22:18:35.396Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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-M3XP-X2X9-8QR4

CVE-2026-43143 (GCVE-0-2026-43143)

Tags

Sightings

Nomenclature