CVE-2023-4949 HIGH

CVE-2023-4949: Memory Corruption Vulnerability in Grub-Legacy's XFS Implementation

Vendor Free Software Foundation
Product Grub-Legacy
Weakness CWE-119
Published November 10, 2023
Last update September 3, 2024
View on NVD All CVEs

CVSS base score

8.1/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

An attacker with local access to a system (either through a disk or external drive) can present a modified XFS partition to grub-legacy in such a way to exploit a memory corruption in grub’s XFS file system implementation.

Key dates

02Disclosure timeline

November 10, 2023 CVE published
September 3, 2024 Record updated