CVE-2025-61664

Medium

Description

A vulnerability in the GRUB2 bootloader has been identified in the normal module. This flaw, a memory Use After Free issue, occurs because the normal_exit command is not properly unregistered when its related module is unloaded. An attacker can exploit this condition by invoking the command after the module has been removed, causing the system to improperly access a previously freed memory location. This leads to a system crash or possible impacts in data confidentiality and integrity.

SeverityMedium
CVSS4.9
Exploit probability—
ProductGnu Grub2
PublishedNov 18, 2025
First seenNov 18, 2025
Weakness typeCWE-825CWE-825

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
GNU grub2v ≤ 2.14—
Red Hat Red Hat Enterprise Linux 10No range specified—
Red Hat Red Hat Enterprise Linux 7No range specified—
Red Hat Red Hat Enterprise Linux 8No range specified—
Red Hat Red Hat Enterprise Linux 9No range specified—
Red Hat Red Hat OpenShift Container Platform 4No range specified—

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