6.7 Medium

CVE-2024-45774 Grub2: reader/jpeg: heap oob write during jpeg parsing

Description

A flaw was found in grub2. A specially crafted JPEG file can cause the JPEG parser of grub2 to incorrectly check the bounds of its internal buffers, resulting in an out-of-bounds write. The possibility of overwriting sensitive information to bypass secure boot protections is not discarded.

CVSS 3.1 detail

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploitable with local access to the machine, with an administrator account and without any user action; an attacker can seriously compromise confidentiality, integrity or availability.

Attack vector: Local
Attack complexity: Low
Privileges required: High
Interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Affected products and versions

Product	Affected versions	Fixed in
Red Hat Enterprise Linux 9	Versions not published
Red Hat Enterprise Linux 10	Versions not published
Red Hat Enterprise Linux 7	Versions not published
Red Hat Enterprise Linux 8	Versions not published
Red Hat OpenShift Container Platform 4	Versions not published
Red Hat In-Vehicle Operating System 1	Versions not published

References

RHSA-2025:6990 access.redhat.com
access.redhat.com access.redhat.com
RHBZ#2337461 bugzilla.redhat.com
lists.gnu.org lists.gnu.org

Timeline

Published February 18, 2025
Last modified November 5, 2026

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