Auth bypass in Fedora Project Linux
CVE-2025-1272
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (13.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Fedora Project Linux — versions 6.12.4-100.fc40, 6.12.1-200.fc41
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9 — versions 0:5.14.0-570.12.1.el9_6
- Red Hat Openshift Container Platform 4
Weakness classification (CWE)
References
- access.redhat.com/errata/RHSA-2025:6966 (vendor-advisory)
- access.redhat.com/security/cve/CVE-2025-1272 (vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking)
Frequently asked questions
- What is CVE-2025-1272?
- CVE-2025-1272 is a high-severity vulnerability in Fedora Project Linux, classified under Missing Authentication for Critical Function. CVSS score: 7.7/10. Published 2026-02-18.
- How severe is CVE-2025-1272?
- High severity. CVSS v3 base score is 7.7 out of 10.