#VU104088 Security features bypass in grub - CVE-2025-1118

Vulnerability identifier: #VU104088

Vulnerability risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-1118

CWE-ID: CWE-254

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
grub
Universal components / Libraries / Libraries used by multiple products

Vendor: GNU

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to the dump command is not blocked when grub is in lockdown mode. A local user can read any data from the system memory.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

grub: 2.00 - 2.12

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External links
https://lists.gnu.org/archive/html/grub-devel/2025-02/msg00024.html

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.