CVE-2025-40021

tracing: dynevent: Add a missing lockdown check on dynevent

EPSS 0.2%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

24 Oct 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

Affected products

Linux · Linux

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