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CVE-2022-50306

kernel: kernel: ext4 out-of-bounds read via corrupt file system image

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Severity

Moderate

Red Hat Product Security

5.2

CVSS 3.1

Review impact separately from score.

Published · September 15, 2025

Updated · August 14, 2026

Description

A flaw was found in the ext4 file system within the Linux kernel. When mounting a specially crafted, corrupt file system image, a local attacker could trigger an out-of-bounds read in the ext4_fc_replay_scan() function. This could lead to a system crash, resulting in a denial of service.

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

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.2
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:H

CWE-125 · Out-of-bounds Read