FKIE_CVE-2025-40021

Vulnerability from fkie_nvd - Published: 2025-10-24 13:15 - Updated: 2026-06-17 09:21
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
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/07b1f63b5f86765793fab44d3d4c2be681cddafb
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0d41604d2d53c1abe27fefb54b37a8f6642a4d74
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3887f3814c0e770e6b73567fe0f83a2c01a6470c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/456c32e3c4316654f95f9d49c12cbecfb77d5660
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/573b1e39edfcb7b4eecde0f1664455a1f4462eee
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b47c4e06687a5a7b6c6ef4bd303fcfe4430b26bb
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f3ac1f4eaba58e57943efa3e8b8d71fa7aab0abf
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "kernel/trace/trace_dynevent.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "f3ac1f4eaba58e57943efa3e8b8d71fa7aab0abf",
              "status": "affected",
              "version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
              "versionType": "git"
            },
            {
              "lessThan": "0d41604d2d53c1abe27fefb54b37a8f6642a4d74",
              "status": "affected",
              "version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
              "versionType": "git"
            },
            {
              "lessThan": "07b1f63b5f86765793fab44d3d4c2be681cddafb",
              "status": "affected",
              "version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
              "versionType": "git"
            },
            {
              "lessThan": "3887f3814c0e770e6b73567fe0f83a2c01a6470c",
              "status": "affected",
              "version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
              "versionType": "git"
            },
            {
              "lessThan": "573b1e39edfcb7b4eecde0f1664455a1f4462eee",
              "status": "affected",
              "version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
              "versionType": "git"
            },
            {
              "lessThan": "b47c4e06687a5a7b6c6ef4bd303fcfe4430b26bb",
              "status": "affected",
              "version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
              "versionType": "git"
            },
            {
              "lessThan": "456c32e3c4316654f95f9d49c12cbecfb77d5660",
              "status": "affected",
              "version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "kernel/trace/trace_dynevent.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.4"
            },
            {
              "lessThan": "5.4",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.245",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.194",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.155",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.109",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.50",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.16.*",
              "status": "unaffected",
              "version": "6.16.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.17",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "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."
    }
  ],
  "id": "CVE-2025-40021",
  "lastModified": "2026-06-17T09:21:08.063",
  "metrics": {},
  "published": "2025-10-24T13:15:47.263",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "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"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Deferred"
}


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