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CVE-2025-40021

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CVE-2025-40021

Published: Oct 24, 2025

Modified: May 11, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
17911ff38aa58d3c95c07589dbf5d3564c4cf3c5 - < f3ac1f4eaba58e57943efa3e8b8d71fa7aab0abf
affected
17911ff38aa58d3c95c07589dbf5d3564c4cf3c5 - < 0d41604d2d53c1abe27fefb54b37a8f6642a4d74
affected
17911ff38aa58d3c95c07589dbf5d3564c4cf3c5 - < 07b1f63b5f86765793fab44d3d4c2be681cddafb
affected
17911ff38aa58d3c95c07589dbf5d3564c4cf3c5 - < 3887f3814c0e770e6b73567fe0f83a2c01a6470c
affected
17911ff38aa58d3c95c07589dbf5d3564c4cf3c5 - < 573b1e39edfcb7b4eecde0f1664455a1f4462eee

+2 more versions

Linux

Linux

affected
5.4
unaffected
0 - < 5.4
unaffected
5.10.245 - <= 5.10.*
unaffected
5.15.194 - <= 5.15.*
unaffected
6.1.155 - <= 6.1.*

+4 more versions

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