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

Quick assessment

Affected
CVE-2025-1118
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GNU GRUB是GNU社区的一款Linux系统引导程序。 GNU GRUB存在安全漏洞，该漏洞源于commands/dump模块启用安全启动时，dump命令未处于锁定状态。

CVSS 4.4 · Medium EPSS 0.32% · P24

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 6

VendorProduct Version RangeStatus
None None ≤ 2.12 affected
Red Hat Red Hat Enterprise Linux 10 1:2.12-15.el10_0< * unaffected
Red Hat Red Hat Enterprise Linux 7 any unknown
Red Hat Red Hat Enterprise Linux 8 any unknown
Red Hat Red Hat Enterprise Linux 9 any affected
Red Hat Red Hat OpenShift Container Platform 4 any affected

I. Basic Information for CVE-2025-1118

Vulnerability Information
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Vulnerability Title
Grub2: commands/dump: the dump command is not in lockdown when secure boot is enabled
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
违背信任边界
Source: CVE Program / CVE List V5
Vulnerability Title
GNU GRUB 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GNU GRUB是GNU社区的一款Linux系统引导程序。 GNU GRUB存在安全漏洞，该漏洞源于commands/dump模块启用安全启动时，dump命令未处于锁定状态。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- - 0 ~ 2.12 -
Red Hat Red Hat Enterprise Linux 10 1:2.12-15.el10_0 ~ * cpe:/o:redhat:enterprise_linux:10.0
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9
Red Hat Red Hat OpenShift Container Platform 4 - cpe:/a:redhat:openshift:4

II. Public POCs for CVE-2025-1118

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III. Intelligence Information for CVE-2025-1118

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Patches & Fixes for CVE-2025-1118 (1)

Vendor Advisories for CVE-2025-1118 (2)

Mailing List Discussions for CVE-2025-1118 (1)

IV. Related Vulnerabilities

Same weakness: CWE-501

V. Comments for CVE-2025-1118

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