CVE-2025-38656 (GCVE-0-2025-38656)

Vulnerability from cvelistv5 – Published: 2025-08-22 16:00 – Updated: 2025-08-28 14:44
VLAI?
Title
wifi: iwlwifi: Fix error code in iwl_op_mode_dvm_start()
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: Fix error code in iwl_op_mode_dvm_start() Preserve the error code if iwl_setup_deferred_work() fails. The current code returns ERR_PTR(0) (which is NULL) on this path. I believe the missing error code potentially leads to a use after free involving debugfs.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: c0e43c3f6c0a79381b468574c241065998412b7c , < 991e2066f6009d3cb898413058c62dbcc92bd6d2 (git)
Affected: 70a1b527eaea9430b1bd87de59f3b9f6bd225701 , < 1d068272c21d886d06526454b68368100ba0a720 (git)
Affected: 90a0d9f339960448a3acc1437a46730f975efd6a , < cf80c02a9fdb6c5bc8508beb6a0f6a1294fc32f6 (git)
Affected: c80832d445653baba5ac80cd2c2637c437ac881b (git)
Affected: b398120fbe0acfef60b16f6a0f69902d385d7728 (git)
Affected: 2e9f85ee3b46453a2f250a57d3a9f10c70c71202 (git)
Affected: 6663c52608d8d8727bf1911e6d9218069ba1c85e (git)
Affected: ca980f1911a7144d451d1c31298ab8507c6bd88f (git)
Affected: 7dd6350307af6521b6240b295c93b7eec4daebe6 (git)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/intel/iwlwifi/dvm/main.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "versionType": "git"
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              "versionType": "git"
            },
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              "versionType": "git"
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              "version": "7dd6350307af6521b6240b295c93b7eec4daebe6",
              "versionType": "git"
            }
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          "product": "Linux",
          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux"
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "5.4.297",
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              ],
              "negate": false,
              "operator": "OR"
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        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: Fix error code in iwl_op_mode_dvm_start()\n\nPreserve the error code if iwl_setup_deferred_work() fails.  The current\ncode returns ERR_PTR(0) (which is NULL) on this path.  I believe the\nmissing error code potentially leads to a use after free involving\ndebugfs."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-08-28T14:44:29.601Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/991e2066f6009d3cb898413058c62dbcc92bd6d2"
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          "url": "https://git.kernel.org/stable/c/1d068272c21d886d06526454b68368100ba0a720"
        },
        {
          "url": "https://git.kernel.org/stable/c/cf80c02a9fdb6c5bc8508beb6a0f6a1294fc32f6"
        }
      ],
      "title": "wifi: iwlwifi: Fix error code in iwl_op_mode_dvm_start()",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38656",
    "datePublished": "2025-08-22T16:00:59.678Z",
    "dateReserved": "2025-04-16T04:51:24.030Z",
    "dateUpdated": "2025-08-28T14:44:29.601Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


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