PT-2025-6690 · Grub2+7 · Grub2+7

Published 2025-02-11 · Updated 2025-10-17 · CVE-2024-45781

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:L/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions grub2 (affected versions not specified)

Description A defect was found in grub2. When reading a symbolic link's name from a UFS filesystem, grub2 fails to validate the string length taken as an input. This lack of validation may lead to a heap out-of-bounds write, causing data integrity issues and eventually allowing an attacker to circumvent secure boot protections.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ALSA-2025:16154

ALSA-2025:6990

ALT-PU-2025-5587

ALT-PU-2025-6088

AZL-56970

AZL-57064

BDU:2025-03834

CVE-2024-45781

INFSA-2025_6990

OESA-2025-1216

OESA-2025-1217

OESA-2025-1218

OESA-2025-1291

OESA-2025-1292

OPENSUSE-SU-2025:14822-1

OPENSUSE-SU-2025_0586-1

OPENSUSE-SU-2025_0587-1

OPENSUSE-SU-2025_0588-1

OPENSUSE-SU-2025_0607-1

RHSA-2025:16154

RHSA-2025:6990

RHSA-2025_6990

SUSE-SU-2025:01961-1

SUSE-SU-2025:0586-1

SUSE-SU-2025:0587-1

SUSE-SU-2025:0588-1

SUSE-SU-2025:0607-1

SUSE-SU-2025:0629-1

SUSE-SU-2025:20511-1

SUSE-SU-2025:20863-1

SUSE-SU-2025_0586-1

SUSE-SU-2025_0587-1

SUSE-SU-2025_0588-1

SUSE-SU-2025_0607-1

SUSE-SU-2025_0629-1

Affected Products

Alt Linux

Almalinux

Debian

Red Hat

Red Os

Rocky Linux

Suse

Grub2

References · 161

• https://osv.dev/vulnerability/AZL-57064 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-0684 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:01961-1 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2025-1291 · Vendor Advisory
• https://errata.almalinux.org/10/ALSA-2025-16154.html · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:0588-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-0677 · Security Note
• https://linux.oracle.com/errata/ELSA-2025-6990.html · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2025:6990 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2025-1216 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2025:16154 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:0607-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:20511-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2026-0421SE17 · Vendor Advisory
• https://errata.almalinux.org/9/ALSA-2025-6990.html · Vendor Advisory