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

🗓️ 24 Oct 2025 12:24:57Reported by GoogleType 
osv
 osv🔗 osv.dev👁 1 Views

CVE-2025-40021 fixes missing lockdown check in dynevent tracing for dynamic_events on tracefs.

Related
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
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16 Apr 2026 04:34Current
6.4Medium risk
Vulners AI Score6.4
EPSS0.00063
linux kerneldynevent lockdowntracefs dynamic_eventslockdown statustracing security
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