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CVE-2025-40021 tracing: dynevent: Add a missing lockdown check on dynevent

🗓️ 24 Oct 2025 12:24:57Reported by LinuxType 
cvelist
 cvelist🔗 www.cve.org👁 3 Views

CVE-2025-40021 fixes missing lockdown check for dynevent and rejects dynamic_events when lockdown is active.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2025-1223)
15 Oct 202500:00
–nessus
Tenable Nessus		Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2025-1254)
28 Oct 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2025-109 (ALASKERNEL-5.10-2025-109)
28 Oct 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2025-093 (ALASKERNEL-5.15-2025-093)
28 Oct 202500:00
–nessus
Tenable Nessus		Debian dla-4379 : linux-config-6.1 - security update
25 Nov 202500:00
–nessus
Tenable Nessus		Debian dla-4404 : ata-modules-5.10.0-35-armmp-di - security update
12 Dec 202500:00
–nessus
Tenable Nessus		Debian dsa-6053 : affs-modules-6.1.0-37-4kc-malta-di - security update
11 Nov 202500:00
–nessus
Tenable Nessus		EulerOS 2.0 SP12 : kernel (EulerOS-SA-2026-1071)
15 Jan 202600:00
–nessus
Tenable Nessus		EulerOS 2.0 SP12 : kernel (EulerOS-SA-2026-1091)
15 Jan 202600:00
–nessus
Tenable Nessus		EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-1212)
2 Feb 202600:00
–nessus
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/trace/trace_dynevent.c"
    ],
    "versions": [
      {
        "version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
        "lessThan": "f3ac1f4eaba58e57943efa3e8b8d71fa7aab0abf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
        "lessThan": "0d41604d2d53c1abe27fefb54b37a8f6642a4d74",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
        "lessThan": "07b1f63b5f86765793fab44d3d4c2be681cddafb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
        "lessThan": "3887f3814c0e770e6b73567fe0f83a2c01a6470c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
        "lessThan": "573b1e39edfcb7b4eecde0f1664455a1f4462eee",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
        "lessThan": "b47c4e06687a5a7b6c6ef4bd303fcfe4430b26bb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
        "lessThan": "456c32e3c4316654f95f9d49c12cbecfb77d5660",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/trace/trace_dynevent.c"
    ],
    "versions": [
      {
        "version": "5.4",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.4",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.245",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.194",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.155",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.109",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.50",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.16.10",
        "lessThanOrEqual": "6.16.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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EPSS0.00188
dynevent lockdowntracefs interfacedynamic eventskernel tracinglockdown status
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