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CVSS v3.1
7.7
EPSS
0.23%
Published
Feb 18, 2026
Modified
Apr 14, 2026
Public PoC / Exploit
All weaponized →No public PoC or exploit code indexed for this CVE.
Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
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
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:HWeaknesses (CWE)
References (3)