github - ghsa-743v-7972-5q93

GHSA-743V-7972-5Q93

Vulnerability from github – Published: 2025-12-04 18:30 – Updated: 2025-12-04 18:30

Details

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

platform/x86: alienware-wmi-wmax: Fix NULL pointer dereference in sleep handlers

Devices without the AWCC interface don't initialize awcc. Add a check before dereferencing it in sleep handlers.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-40234"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-04T16:16:16Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: alienware-wmi-wmax: Fix NULL pointer dereference in sleep handlers\n\nDevices without the AWCC interface don\u0027t initialize `awcc`. Add a check\nbefore dereferencing it in sleep handlers.",
  "id": "GHSA-743v-7972-5q93",
  "modified": "2025-12-04T18:30:52Z",
  "published": "2025-12-04T18:30:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-40234"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/24c3812c9e817d19e4842d7495561594de1ddcb4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a49c4d48c3b60926e6a8cec217bf95aa65388ecc"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2025-40234 (GCVE-0-2025-40234)

Vulnerability from cvelistv5 – Published: 2025-12-04 15:31 – Updated: 2025-12-04 15:31

Title

platform/x86: alienware-wmi-wmax: Fix NULL pointer dereference in sleep handlers

Summary

In the Linux kernel, the following vulnerability has been resolved: platform/x86: alienware-wmi-wmax: Fix NULL pointer dereference in sleep handlers Devices without the AWCC interface don't initialize `awcc`. Add a check before dereferencing it in sleep handlers.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/24c3812c9e817d19e…
	https://git.kernel.org/stable/c/a49c4d48c3b60926e…

Impacted products

Vendor

Product

Version

Linux

Affected: 07ac275981b1f11a58dd7bb7790eed66252b072c , < 24c3812c9e817d19e4842d7495561594de1ddcb4 (git)
Affected: 07ac275981b1f11a58dd7bb7790eed66252b072c , < a49c4d48c3b60926e6a8cec217bf95aa65388ecc (git)

Linux

Affected: 6.16
Unaffected: 0 , < 6.16 (semver)
Unaffected: 6.17.6 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/platform/x86/dell/alienware-wmi-wmax.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "24c3812c9e817d19e4842d7495561594de1ddcb4",
              "status": "affected",
              "version": "07ac275981b1f11a58dd7bb7790eed66252b072c",
              "versionType": "git"
            },
            {
              "lessThan": "a49c4d48c3b60926e6a8cec217bf95aa65388ecc",
              "status": "affected",
              "version": "07ac275981b1f11a58dd7bb7790eed66252b072c",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/platform/x86/dell/alienware-wmi-wmax.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.16"
            },
            {
              "lessThan": "6.16",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.17.*",
              "status": "unaffected",
              "version": "6.17.6",
              "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": "6.17.6",
                  "versionStartIncluding": "6.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18",
                  "versionStartIncluding": "6.16",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: alienware-wmi-wmax: Fix NULL pointer dereference in sleep handlers\n\nDevices without the AWCC interface don\u0027t initialize `awcc`. Add a check\nbefore dereferencing it in sleep handlers."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-04T15:31:24.871Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/24c3812c9e817d19e4842d7495561594de1ddcb4"
        },
        {
          "url": "https://git.kernel.org/stable/c/a49c4d48c3b60926e6a8cec217bf95aa65388ecc"
        }
      ],
      "title": "platform/x86: alienware-wmi-wmax: Fix NULL pointer dereference in sleep handlers",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-40234",
    "datePublished": "2025-12-04T15:31:24.871Z",
    "dateReserved": "2025-04-16T07:20:57.180Z",
    "dateUpdated": "2025-12-04T15:31:24.871Z",
    "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-743V-7972-5Q93

CVE-2025-40234 (GCVE-0-2025-40234)

Tags

Sightings

Nomenclature