Vulnerability Description
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
- https://git.kernel.org/stable/c/07b1f63b5f86765793fab44d3d4c2be681cddafb
- https://git.kernel.org/stable/c/0d41604d2d53c1abe27fefb54b37a8f6642a4d74
- https://git.kernel.org/stable/c/3887f3814c0e770e6b73567fe0f83a2c01a6470c
- https://git.kernel.org/stable/c/456c32e3c4316654f95f9d49c12cbecfb77d5660
- https://git.kernel.org/stable/c/573b1e39edfcb7b4eecde0f1664455a1f4462eee
- https://git.kernel.org/stable/c/b47c4e06687a5a7b6c6ef4bd303fcfe4430b26bb
- https://git.kernel.org/stable/c/f3ac1f4eaba58e57943efa3e8b8d71fa7aab0abf
FAQ
What is CVE-2025-40021?
CVE-2025-40021 is a documented vulnerability. 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_ev...
How severe is CVE-2025-40021?
CVSS scoring is not yet available for CVE-2025-40021. Check NVD for updates.
Is there a patch for CVE-2025-40021?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.