CVE-2022-49348

kernel: ext4: filter out EXT4_FC_REPLAY from on-disk superblock field s_state

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · February 26, 2025

Updated · June 30, 2026

Description

A flaw was found in the ext4 module in the Linux kernel. A specially crafted filesystem can cause an assertion failure when a specific operation is performed, possibly resulting in system instability and a denial of service.

Statement

This issue has been fixed in Red Hat Enterprise Linux 9.1 via RHSA-2022:8267 [1].

[1]. https://access.redhat.com/errata/RHSA-2022:8267

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Do not mount untrusted ext4 filesystems.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-617 · Reachable Assertion