Memory Information Exposure in Grub2 by Red Hat
CVE-2025-1118

4.4MEDIUM

Key Information:

Status
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Vendor
CVE Published:
19 February 2025

What is CVE-2025-1118?

A flaw exists in Grub2's functionality where the dump command can be executed even in lockdown mode. This oversight allows attackers to access sensitive memory contents, such as cryptographic signatures and salts. By exploiting this vulnerability, users with the necessary privileges could extract confidential information, which poses a significant threat to the integrity and security of systems that rely on Grub2 for boot management.

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References

https://access.redhat.com/errata/RHSA-2025:16154
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2025-1118
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2346137
issue-trackingx_refsource_REDHAT

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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