Multiple Grub2 Vulnerabilities Discovered Leading to Use-After-Free Issues

First seen 13 Dec 2025, 09:51 UTC • Api.Msrc.Microsoft

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Three vulnerabilities in Grub2 have been identified, each related to a missing unregister call for different commands: normal commands (CVE-2025-61663), normal_exit commands (CVE-2025-61664), and gettext commands (CVE-2025-61662). These vulnerabilities can lead to use-after-free conditions, potentially affecting systems utilizing Grub2 for boot management.

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Critical UEFI Secure Boot Bypass Vulnerability Discovered Multiple Vulnerabilities Found in grub2 Affecting Data Integrity and Availability SUSE and openSUSE Address Moderate grub2 Vulnerabilities SUSE and openSUSE Address Multiple grub2 Vulnerabilities SUSE and openSUSE Address Multiple grub2 Vulnerabilities

Multiple Grub2 Vulnerabilities Discovered Leading to Use-After-Free Issues

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