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7.7
Fedora Linux Kernel Lockdown Mode Disabled on Some Versions
CVE-2025-1272
Summary
A security feature is turned off without a warning on Fedora Linux versions 6.12 and above, potentially allowing an attacker to access sensitive information and run unauthorized code. This affects Fedora Linux users and does not impact other operating systems. To stay secure, update to a fixed version or follow Fedora's instructions to re-enable lockdown mode.
Original title
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 sensi...
Original 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.
nvd CVSS3.1
7.7
Vulnerability type
CWE-306
Missing Authentication for Critical Function
Published: 18 Feb 2026 · Updated: 11 Mar 2026 · First seen: 6 Mar 2026