CVE-2025-40021 (GCVE-0-2025-40021)

Vulnerability from cvelistv5 – Published: 2025-10-24 12:24 – Updated: 2025-10-24 12:24
VLAI?
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.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 17911ff38aa58d3c95c07589dbf5d3564c4cf3c5 , < f3ac1f4eaba58e57943efa3e8b8d71fa7aab0abf (git)
Affected: 17911ff38aa58d3c95c07589dbf5d3564c4cf3c5 , < 0d41604d2d53c1abe27fefb54b37a8f6642a4d74 (git)
Affected: 17911ff38aa58d3c95c07589dbf5d3564c4cf3c5 , < 07b1f63b5f86765793fab44d3d4c2be681cddafb (git)
Affected: 17911ff38aa58d3c95c07589dbf5d3564c4cf3c5 , < 3887f3814c0e770e6b73567fe0f83a2c01a6470c (git)
Affected: 17911ff38aa58d3c95c07589dbf5d3564c4cf3c5 , < 573b1e39edfcb7b4eecde0f1664455a1f4462eee (git)
Affected: 17911ff38aa58d3c95c07589dbf5d3564c4cf3c5 , < b47c4e06687a5a7b6c6ef4bd303fcfe4430b26bb (git)
Affected: 17911ff38aa58d3c95c07589dbf5d3564c4cf3c5 , < 456c32e3c4316654f95f9d49c12cbecfb77d5660 (git)
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    Linux Linux Affected: 5.4
Unaffected: 0 , < 5.4 (semver)
Unaffected: 5.10.245 , ≤ 5.10.* (semver)
Unaffected: 5.15.194 , ≤ 5.15.* (semver)
Unaffected: 6.1.155 , ≤ 6.1.* (semver)
Unaffected: 6.6.109 , ≤ 6.6.* (semver)
Unaffected: 6.12.50 , ≤ 6.12.* (semver)
Unaffected: 6.16.10 , ≤ 6.16.* (semver)
Unaffected: 6.17 , ≤ * (original_commit_for_fix)
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{
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          "programFiles": [
            "kernel/trace/trace_dynevent.c"
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              "version": "0",
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              "versionType": "semver"
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              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.155",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.109",
              "versionType": "semver"
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            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
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            {
              "lessThanOrEqual": "6.16.*",
              "status": "unaffected",
              "version": "6.16.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.17",
              "versionType": "original_commit_for_fix"
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          ]
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      ],
      "cpeApplicability": [
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          "nodes": [
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          "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"
      },
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          "url": "https://git.kernel.org/stable/c/f3ac1f4eaba58e57943efa3e8b8d71fa7aab0abf"
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          "url": "https://git.kernel.org/stable/c/0d41604d2d53c1abe27fefb54b37a8f6642a4d74"
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      ],
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    "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",
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  "vulnerability-lookup:meta": {
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  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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