CVE-2024-0775 MEDIUM

CVE-2024-0775: Kernel: use-after-free while changing the mount option in __ext4_remount leading

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-416
Published January 22, 2024
Last update November 20, 2025

CVSS base score

6.7/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

A use-after-free flaw was found in the __ext4_remount in fs/ext4/super.c in ext4 in the Linux kernel. This flaw allows a local user to cause an information leak problem while freeing the old quota file names before a potential failure, leading to a use-after-free.

Key dates

02Disclosure timeline

January 22, 2024 CVE published
November 20, 2025 Record updated