#VU104087 Integer overflow in grub - CVE-2025-0690

Vulnerability identifier: #VU104087

Vulnerability risk: Low

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

CVE-ID: CVE-2025-0690

CWE-ID: CWE-190

Exploitation vector: Local

Exploit availability: No

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

Vendor: GNU

Description

The vulnerability allows an attacker to escalate privileges on the system.

The vulnerability exists due to integer overflow when reading data from the keyboard input. An attacker with physical access to the system can trigger an integer overflow and execute arbitrary code with elevated privileges.

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. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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