CVE-2024-45781

MEDIUM EPSS 14.2%

Published Feb 18, 20251y ago · Modified Jun 25, 20266d ago

6.7 CVSS 3.1

Medium

Published Feb 18, 2025 1y ago

Last Modified Jun 25, 2026 6d ago

Description

A flaw 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. The 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.

CVSS Details

Base Score

6.7

Exploitability

0.8

Impact

5.9

Vector string

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

Attack Vector Local

Attack Complexity Low

Privileges Required High

User Interaction None

Scope Unchanged

Confidentiality High

Integrity High

Availability High

Threat Intelligence

EPSS Exploit Probability

14.2% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

References 4

access.redhat.com https://access.redhat.com/errata/RHSA-2025:16154
access.redhat.com https://access.redhat.com/errata/RHSA-2025:6990
access.redhat.com https://access.redhat.com/security/cve/CVE-2024-45781
bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2345857

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.