CVE-2024-0775

Name: CVE-2024-0775
Creator: NVD / NIST
Published: 2024-01-22T13:15:25.137+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.1/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2024-0775 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.1/10

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

EPSS Probability

0.21%

11.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Linux	Linux Kernel	< 6.4	—
Linux	Linux Kernel	6.4	Rc1
Redhat	Enterprise Linux	9.0	—

References

https://access.redhat.com/security/cve/CVE-2024-0775Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2259414Issue Tracking, Third Party Advisory
https://scm.linefinity.com/common/linux-stable/commit/4c0b4818b1f636bc96359f7817a2d8bab6370162Patch
https://access.redhat.com/security/cve/CVE-2024-0775Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2259414Issue Tracking, Third Party Advisory
https://scm.linefinity.com/common/linux-stable/commit/4c0b4818b1f636bc96359f7817a2d8bab6370162Patch

Timeline

Published: Jan 22, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-0775?

How severe is CVE-2024-0775?

CVE-2024-0775 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2024-0775?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-0775?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST