CVE-2025-40021 (GCVE-0-2025-40021)
Vulnerability from cvelistv5
Published
2025-10-24 12:24
Modified
2025-10-24 12:24
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: tracing: dynevent: Add a missing lockdown check on dynevent Since dynamic_events interface on tracefs is compatible with kprobe_events and uprobe_events, it should also check the lockdown status and reject if it is set.
References
Impacted products
Vendor Product Version
Linux Linux Version: 17911ff38aa58d3c95c07589dbf5d3564c4cf3c5
Version: 17911ff38aa58d3c95c07589dbf5d3564c4cf3c5
Version: 17911ff38aa58d3c95c07589dbf5d3564c4cf3c5
Version: 17911ff38aa58d3c95c07589dbf5d3564c4cf3c5
Version: 17911ff38aa58d3c95c07589dbf5d3564c4cf3c5
Version: 17911ff38aa58d3c95c07589dbf5d3564c4cf3c5
Version: 17911ff38aa58d3c95c07589dbf5d3564c4cf3c5
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{
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          "defaultStatus": "unaffected",
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          "programFiles": [
            "kernel/trace/trace_dynevent.c"
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          "vendor": "Linux",
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              "version": "0",
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              "lessThanOrEqual": "*",
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              "versionType": "original_commit_for_fix"
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      ],
      "cpeApplicability": [
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          "nodes": [
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        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: dynevent: Add a missing lockdown check on dynevent\n\nSince dynamic_events interface on tracefs is compatible with\nkprobe_events and uprobe_events, it should also check the lockdown\nstatus and reject if it is set."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-24T12:24:57.107Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/f3ac1f4eaba58e57943efa3e8b8d71fa7aab0abf"
        },
        {
          "url": "https://git.kernel.org/stable/c/0d41604d2d53c1abe27fefb54b37a8f6642a4d74"
        },
        {
          "url": "https://git.kernel.org/stable/c/07b1f63b5f86765793fab44d3d4c2be681cddafb"
        },
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          "url": "https://git.kernel.org/stable/c/3887f3814c0e770e6b73567fe0f83a2c01a6470c"
        },
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          "url": "https://git.kernel.org/stable/c/573b1e39edfcb7b4eecde0f1664455a1f4462eee"
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          "url": "https://git.kernel.org/stable/c/b47c4e06687a5a7b6c6ef4bd303fcfe4430b26bb"
        },
        {
          "url": "https://git.kernel.org/stable/c/456c32e3c4316654f95f9d49c12cbecfb77d5660"
        }
      ],
      "title": "tracing: dynevent: Add a missing lockdown check on dynevent",
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-40021",
    "datePublished": "2025-10-24T12:24:57.107Z",
    "dateReserved": "2025-04-16T07:20:57.152Z",
    "dateUpdated": "2025-10-24T12:24:57.107Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-40021\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-10-24T13:15:47.263\",\"lastModified\":\"2025-10-27T13:20:15.637\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ntracing: dynevent: Add a missing lockdown check on dynevent\\n\\nSince dynamic_events interface on tracefs is compatible with\\nkprobe_events and uprobe_events, it should also check the lockdown\\nstatus and reject if it is set.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/07b1f63b5f86765793fab44d3d4c2be681cddafb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/0d41604d2d53c1abe27fefb54b37a8f6642a4d74\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/3887f3814c0e770e6b73567fe0f83a2c01a6470c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/456c32e3c4316654f95f9d49c12cbecfb77d5660\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/573b1e39edfcb7b4eecde0f1664455a1f4462eee\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b47c4e06687a5a7b6c6ef4bd303fcfe4430b26bb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f3ac1f4eaba58e57943efa3e8b8d71fa7aab0abf\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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