Grub2: commands/dump: the dump command is not in lockdown when secure boot is enabled
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Partial Red Hat: 1 fixed, 4 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.
Summary
A flaw was found in grub2. Grub's dump command is not blocked when grub is in lockdown mode, which allows the user to read any memory information, and an attacker may leverage this in order to extract signatures, salts, and other sensitive information from the memory.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | grub2 | up to 2.12 | — | No fix listed | CNA |
| Red Hat | Red Hat Enterprise Linux 10 | — | 1:2.12-15.el10_0 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 7 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift Container Platform 4 | — | — | No fix listed | CNA |
- grub2 Vendor— Affected up to 2.12 Fixed in — No fix listed CNA
- Red Hat Enterprise Linux 10 VendorRed Hat Affected — Fixed in 1:2.12-15.el10_0 Patch available CNA
- Red Hat Enterprise Linux 7 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift Container Platform 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
Remediation
Red Hat 1 advisory
- RHSA-2025:16154 Released 2025-09-18 · Red Hat rating Moderategrub2 security update
- Red Hat Enterprise Linux BaseOS (v. 10) grub2-1:2.12-15.el10_0, grub2-common-1:2.12-15.el10_0, grub2-efi-aa64-1:2.12-15.el10_0 +13
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7 and 3 more products — RHSA-2025:16154
5 records Highest priority Priority LOW 5 LOW
Other records, highest priority first
- TI-2024-30748 Grub2: fs/ufs: oob write in the heapPriority LOW 31
- TI-2024-30743 Grub2: grub-core/gettext: integer overflow leads to heap oob write and read.Priority LOW 31
- TI-2025-00571 Grub2: ufs: integer overflow may lead to heap based out-of-bounds write when handling symlinksPriority LOW 30
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux BaseOS (v. 10) | Fixed | RHSA-2025:16154 |
Timeline
- 2026-10-02 Threatist record created from CVE-2025-1118
- 2026-10-03 Alias added: GHSA-5r25-p9f2-w2xv
- 2026-10-21 Affected versions changed · CNA
- 2026-10-21 Affected versions changed · Red Hat
- 2026-10-21 Affected versions changed · CNA
- 2026-10-22 Affected versions changed · Red Hat
References
More Red Hat vulnerabilities
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- TI-2018-16080 A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153… KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-1118 · CVE Program
- CVE-2025-1118 · NVD
- FIRST EPSS
- GHSA-5r25-p9f2-w2xv · GitHub Advisory Database · CC BY 4.0
- CVE-2025-1118 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences