Vulnerability-Lookup

GHSA-F7G6-8FV4-CQJX

Vulnerability from github – Published: 2026-08-28 09:31 – Updated: 2026-08-28 09:31

Details

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

mfd: cs42l43: Sanity check firmware size

Currently the code checks if a firmware was received, however it does not verify that the firmware size is larger than the firmware header. As the firmware pointer is dereferenced as a pointer to the header structure this could lead to an out of bounds memory access. Add the missing check.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-80624"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-28T08:16:46Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmfd: cs42l43: Sanity check firmware size\n\nCurrently the code checks if a firmware was received, however it does\nnot verify that the firmware size is larger than the firmware header. As\nthe firmware pointer is dereferenced as a pointer to the header\nstructure this could lead to an out of bounds memory access. Add the\nmissing check.",
  "id": "GHSA-f7g6-8fv4-cqjx",
  "modified": "2026-08-28T09:31:47Z",
  "published": "2026-08-28T09:31:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80624"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/17d79248b4f370663f9d351409a130fc1ed9416d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/197a4c54d8a94fe2fb7829661b29f0859c10feb5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2ce02059ceb6311a33026b62e6e4dc4ed22a3aef"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b6ef1a74b3ec254f87a6a3c554fe8f8083ebd37c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d35e4032f16d7621468c8b56816e7935ebf590a7"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-80624 (GCVE-0-2026-80624)

Vulnerability from cvelistv5 – Published: 2026-08-28 06:48 – Updated: 2026-08-28 06:48

Title

mfd: cs42l43: Sanity check firmware size

Summary

In the Linux kernel, the following vulnerability has been resolved: mfd: cs42l43: Sanity check firmware size Currently the code checks if a firmware was received, however it does not verify that the firmware size is larger than the firmware header. As the firmware pointer is dereferenced as a pointer to the header structure this could lead to an out of bounds memory access. Add the missing check.

Severity

No CVSS data available.

Assigner

Linux mitre root

References

5 references

URL	Tags
https://git.kernel.org/stable/c/2ce02059ceb6311a3…
https://git.kernel.org/stable/c/197a4c54d8a94fe2f…
https://git.kernel.org/stable/c/d35e4032f16d76214…
https://git.kernel.org/stable/c/17d79248b4f370663…
https://git.kernel.org/stable/c/b6ef1a74b3ec254f8…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: ace6d14481386ec6c1b63cc2b24c71433a583dc2 , < 2ce02059ceb6311a33026b62e6e4dc4ed22a3aef (git) Affected: ace6d14481386ec6c1b63cc2b24c71433a583dc2 , < 197a4c54d8a94fe2fb7829661b29f0859c10feb5 (git) Affected: ace6d14481386ec6c1b63cc2b24c71433a583dc2 , < d35e4032f16d7621468c8b56816e7935ebf590a7 (git) Affected: ace6d14481386ec6c1b63cc2b24c71433a583dc2 , < 17d79248b4f370663f9d351409a130fc1ed9416d (git) Affected: ace6d14481386ec6c1b63cc2b24c71433a583dc2 , < b6ef1a74b3ec254f87a6a3c554fe8f8083ebd37c (git)
Linux	Linux	Affected: 6.6 Unaffected: 0 , < 6.6 (semver) Unaffected: 6.6.145 , ≤ 6.6.* (semver) Unaffected: 6.12.97 , ≤ 6.12.* (semver) Unaffected: 6.18.40 , ≤ 6.18.* (semver) Unaffected: 7.1.5 , ≤ 7.1.* (semver) Unaffected: 7.2 , ≤ * (original_commit_for_fix)

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JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/mfd/cs42l43.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "2ce02059ceb6311a33026b62e6e4dc4ed22a3aef",
              "status": "affected",
              "version": "ace6d14481386ec6c1b63cc2b24c71433a583dc2",
              "versionType": "git"
            },
            {
              "lessThan": "197a4c54d8a94fe2fb7829661b29f0859c10feb5",
              "status": "affected",
              "version": "ace6d14481386ec6c1b63cc2b24c71433a583dc2",
              "versionType": "git"
            },
            {
              "lessThan": "d35e4032f16d7621468c8b56816e7935ebf590a7",
              "status": "affected",
              "version": "ace6d14481386ec6c1b63cc2b24c71433a583dc2",
              "versionType": "git"
            },
            {
              "lessThan": "17d79248b4f370663f9d351409a130fc1ed9416d",
              "status": "affected",
              "version": "ace6d14481386ec6c1b63cc2b24c71433a583dc2",
              "versionType": "git"
            },
            {
              "lessThan": "b6ef1a74b3ec254f87a6a3c554fe8f8083ebd37c",
              "status": "affected",
              "version": "ace6d14481386ec6c1b63cc2b24c71433a583dc2",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/mfd/cs42l43.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.6"
            },
            {
              "lessThan": "6.6",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.145",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.97",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.40",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.145",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.97",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "6.6",
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                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "6.6",
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                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmfd: cs42l43: Sanity check firmware size\n\nCurrently the code checks if a firmware was received, however it does\nnot verify that the firmware size is larger than the firmware header. As\nthe firmware pointer is dereferenced as a pointer to the header\nstructure this could lead to an out of bounds memory access. Add the\nmissing check."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-28T06:48:42.983Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/2ce02059ceb6311a33026b62e6e4dc4ed22a3aef"
        },
        {
          "url": "https://git.kernel.org/stable/c/197a4c54d8a94fe2fb7829661b29f0859c10feb5"
        },
        {
          "url": "https://git.kernel.org/stable/c/d35e4032f16d7621468c8b56816e7935ebf590a7"
        },
        {
          "url": "https://git.kernel.org/stable/c/17d79248b4f370663f9d351409a130fc1ed9416d"
        },
        {
          "url": "https://git.kernel.org/stable/c/b6ef1a74b3ec254f87a6a3c554fe8f8083ebd37c"
        }
      ],
      "title": "mfd: cs42l43: Sanity check firmware size",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-80624",
    "datePublished": "2026-08-28T06:48:42.983Z",
    "dateReserved": "2026-08-26T14:34:25.775Z",
    "dateUpdated": "2026-08-28T06:48:42.983Z",
    "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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

GHSA-F7G6-8FV4-CQJX

CVE-2026-80624 (GCVE-0-2026-80624)

Tags

Sightings

Nomenclature