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CVE-2025-1272

Kernel: secure boot does not automatically enable kernel lockdown

Published: Feb 18, 2026Updated: Feb 26, 2026 Sources: CVE List NVD BDUCWE-306
NVD MITRE
7.7CVSSHIGH
EPSS Score
0.2%
Top 86.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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 Vector Breakdown

AV:LAC:LPR:HUI:RS:CC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-306

Affected Products

Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise LinuxRed Hat Inc.
On-premOS
Operating Systems / linux-distro
FedoraFedora Project
On-premOS
Operating Systems / linux-distro
LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
Platform V SberLinux OS ServerАО «СберТех»
On-premOS
Operating Systems / linux-distro
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
red hat inc.commercialUSOperating Systemsaka red hat
fedora projectoss-projectUSOperating Systemsaka fedora
ао «сбертех»commercialRUOperating Systemsaka ao sbertech, сбертех
and 7 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://access.redhat.com/security/cve/cve-2025-1272
access.redhat.com
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/I2UB5GEW3TAIOBGLA2FMOQZIBELKDKE3/
lists.fedoraproject.org
https://security-tracker.debian.org/tracker/CVE-2025-1272
security-tracker.debian.org
and 3 more references View all →

Timeline

Published
Feb 18, 2026
Last Updated
Feb 26, 2026

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