---
id: CVE-2024-45783
title: A flaw was found in grub2
summary: >-
  A flaw was found in grub2. When failing to mount an HFS+ grub, the hfsplus
  filesystem driver doesn't properly set an ERRNO value. This issue may lead to
  a NULL pointer access.
severity: medium
cvss: 4.4
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-911
published: '2025-02-18'
updated: '2026-06-25'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2024-45783'
references:
  - url: 'https://access.redhat.com/errata/RHSA-2025:6990'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/security/cve/CVE-2024-45783'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2345863'
    label: secalert@redhat.com
tags:
  - nvd
epss: 0.00232
epssPercentile: 0.12571
ingestedAt: '2026-06-29T13:24:34.158Z'
---

## Overview

A flaw was found in grub2. When failing to mount an HFS+ grub, the hfsplus filesystem driver doesn't properly set an ERRNO value. This issue may lead to a NULL pointer access.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.