CVE-2025-1272
Kernel: secure boot does not automatically enable kernel lockdown
- Published
- Updated
- Reserved
- Assigned by
- fedora
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| fedoraCNA (assigner) | 3.1 | High7.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H |
| NVDNVD · Deferred | 3.1 | High7.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.25% · top 83% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.7.
Weakness
Affected products
- affected 6.12.4-100.fc40 – < 6.12.15-100.fc40
- affected 6.12.1-200.fc41 – < 6.12.15-200.fc41
Red Hat · Red Hat Enterprise Linux 9
- unaffected 0:5.14.0-570.12.1.el9_6 – < *
Red Hat · Red Hat Enterprise Linux 9
- unaffected 0:5.14.0-570.12.1.el9_6 – < *
Red Hat · Red Hat Enterprise Linux 10
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 6
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 7
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 7
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 8
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 8
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 9
All versions: affected
Red Hat · Red Hat OpenShift Container Platform 4
All versions: unaffected
References (3)
- RHSA-2025:6966 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2025-1272 (opens in a new tab)vdb-entryx_refsource_REDHAT
- RHBZ#2345615 (opens in a new tab)issue-trackingx_refsource_REDHAT
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2025-1272)Record last updated .