High 7.7Published Feb 18, 2026

CVE-2025-1272Kernel: secure boot does not automatically enable kernel lockdown

Updated under an hour ago (Oct 26, 2026, 10:10 PM ET)

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It affects Fedora Project Fedora Linux and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Fedora Project Fedora Linux

Exploited in the last 30 days

The Linux Kernel lockdown mode for kernel versions starting on 6.12 and above for Fedora Linux has the lockdown mode disabled without any warning. This may allow an attacker to gain access to sensitive information such kernel memory mappings, I/O ports, BPF and kprobes. Additionally unsigned modules can be loaded, leading to execution of untrusted code breaking breaking any Secure Boot protection. This vulnerability affects only Fedora Linux.

CVSS: 7.7 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
Weakness (CWE): CWE-306
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: fedora
NVD analysis: Deferred
Record last updated: Feb 26, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Fedora Project Fedora Linux fedora_project:fedora_linux (from the name)	from 6.12.4-100.fc40 before 6.12.15-100.fc40; from 6.12.1-200.fc41 before 6.12.15-200.fc41	CNA record
Red Hat Red Hat Enterprise Linux 9 redhat:enterprise_linux	from 0:5.14.0-570.12.1.el9_6 not affected	CNA record
Red Hat Red Hat OpenShift Container Platform 4 redhat:openshift	4	CNA record

References

References

https://access.redhat.com/errata/RHSA-2025:6966	vendor-advisory, x-refsource-redhat
https://access.redhat.com/security/cve/CVE-2025-1272	vdb-entry, x-refsource-redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2345615	issue-tracking, x-refsource-redhat

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.