Vulnerability-Lookup

GHSA-WC7P-8P5C-3RJG

Vulnerability from github – Published: 2025-11-12 12:30 – Updated: 2025-11-12 12:30

Details

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

PM / devfreq: mtk-cci: Fix potential error pointer dereference in probe()

The drv->sram_reg pointer could be set to ERR_PTR(-EPROBE_DEFER) which would lead to a error pointer dereference. Use IS_ERR_OR_NULL() to check that the pointer is valid.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-40156"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-11-12T11:15:45Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nPM / devfreq: mtk-cci: Fix potential error pointer dereference in probe()\n\nThe drv-\u003esram_reg pointer could be set to ERR_PTR(-EPROBE_DEFER) which\nwould lead to a error pointer dereference.  Use IS_ERR_OR_NULL() to check\nthat the pointer is valid.",
  "id": "GHSA-wc7p-8p5c-3rjg",
  "modified": "2025-11-12T12:30:28Z",
  "published": "2025-11-12T12:30:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-40156"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/24d61b6e23d2c7291c528dd43a0bf76b5c05c8f0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/44e32104cf7e670e3d683c97b52350d8fac23322"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/80eab6a9df7e1107dc334434dbacd05297703377"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9cc23e221f392304b7b8aad213812564ddf6517e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fc33bf0e097c6834646b98a7b3da0ae5b617f0f9"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2025-40156 (GCVE-0-2025-40156)

Vulnerability from cvelistv5 – Published: 2025-11-12 10:23 – Updated: 2026-05-11 21:43

Title

PM / devfreq: mtk-cci: Fix potential error pointer dereference in probe()

Summary

In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: mtk-cci: Fix potential error pointer dereference in probe() The drv->sram_reg pointer could be set to ERR_PTR(-EPROBE_DEFER) which would lead to a error pointer dereference. Use IS_ERR_OR_NULL() to check that the pointer is valid.

Severity

No CVSS data available.

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 6856 records in the last 180 days details

References

5 references

URL	Tags
https://git.kernel.org/stable/c/9cc23e221f392304b…
https://git.kernel.org/stable/c/80eab6a9df7e1107d…
https://git.kernel.org/stable/c/44e32104cf7e670e3…
https://git.kernel.org/stable/c/24d61b6e23d2c7291…
https://git.kernel.org/stable/c/fc33bf0e097c68346…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: e09bd5757b5227d6804b30c58d4587f7f87d1afa , < 9cc23e221f392304b7b8aad213812564ddf6517e (git) Affected: e09bd5757b5227d6804b30c58d4587f7f87d1afa , < 80eab6a9df7e1107dc334434dbacd05297703377 (git) Affected: e09bd5757b5227d6804b30c58d4587f7f87d1afa , < 44e32104cf7e670e3d683c97b52350d8fac23322 (git) Affected: e09bd5757b5227d6804b30c58d4587f7f87d1afa , < 24d61b6e23d2c7291c528dd43a0bf76b5c05c8f0 (git) Affected: e09bd5757b5227d6804b30c58d4587f7f87d1afa , < fc33bf0e097c6834646b98a7b3da0ae5b617f0f9 (git)
Linux	Linux	Affected: 6.1 Unaffected: 0 , < 6.1 (semver) Unaffected: 6.1.156 , ≤ 6.1.* (semver) Unaffected: 6.6.112 , ≤ 6.6.* (semver) Unaffected: 6.12.53 , ≤ 6.12.* (semver) Unaffected: 6.17.3 , ≤ 6.17.* (semver) Unaffected: 6.18 , ≤ * (original_commit_for_fix)

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JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/devfreq/mtk-cci-devfreq.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "9cc23e221f392304b7b8aad213812564ddf6517e",
              "status": "affected",
              "version": "e09bd5757b5227d6804b30c58d4587f7f87d1afa",
              "versionType": "git"
            },
            {
              "lessThan": "80eab6a9df7e1107dc334434dbacd05297703377",
              "status": "affected",
              "version": "e09bd5757b5227d6804b30c58d4587f7f87d1afa",
              "versionType": "git"
            },
            {
              "lessThan": "44e32104cf7e670e3d683c97b52350d8fac23322",
              "status": "affected",
              "version": "e09bd5757b5227d6804b30c58d4587f7f87d1afa",
              "versionType": "git"
            },
            {
              "lessThan": "24d61b6e23d2c7291c528dd43a0bf76b5c05c8f0",
              "status": "affected",
              "version": "e09bd5757b5227d6804b30c58d4587f7f87d1afa",
              "versionType": "git"
            },
            {
              "lessThan": "fc33bf0e097c6834646b98a7b3da0ae5b617f0f9",
              "status": "affected",
              "version": "e09bd5757b5227d6804b30c58d4587f7f87d1afa",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/devfreq/mtk-cci-devfreq.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.1"
            },
            {
              "lessThan": "6.1",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.156",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.112",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.53",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.17.*",
              "status": "unaffected",
              "version": "6.17.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.18",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.156",
                  "versionStartIncluding": "6.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.112",
                  "versionStartIncluding": "6.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.53",
                  "versionStartIncluding": "6.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.17.3",
                  "versionStartIncluding": "6.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18",
                  "versionStartIncluding": "6.1",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPM / devfreq: mtk-cci: Fix potential error pointer dereference in probe()\n\nThe drv-\u003esram_reg pointer could be set to ERR_PTR(-EPROBE_DEFER) which\nwould lead to a error pointer dereference.  Use IS_ERR_OR_NULL() to check\nthat the pointer is valid."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T21:43:49.328Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/9cc23e221f392304b7b8aad213812564ddf6517e"
        },
        {
          "url": "https://git.kernel.org/stable/c/80eab6a9df7e1107dc334434dbacd05297703377"
        },
        {
          "url": "https://git.kernel.org/stable/c/44e32104cf7e670e3d683c97b52350d8fac23322"
        },
        {
          "url": "https://git.kernel.org/stable/c/24d61b6e23d2c7291c528dd43a0bf76b5c05c8f0"
        },
        {
          "url": "https://git.kernel.org/stable/c/fc33bf0e097c6834646b98a7b3da0ae5b617f0f9"
        }
      ],
      "title": "PM / devfreq: mtk-cci: Fix potential error pointer dereference in probe()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-40156",
    "datePublished": "2025-11-12T10:23:28.994Z",
    "dateReserved": "2025-04-16T07:20:57.176Z",
    "dateUpdated": "2026-05-11T21:43:49.328Z",
    "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.

Vulnerability timeline

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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.
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