CVE Database›CVE-2022-50465

CVE-2022-50465

kernel: Linux kernel ext4: Information Disclosure via uninitialized memory leak in fast-commit journal

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · October 1, 2025

Updated · June 30, 2026

Description

A flaw was found in the Linux kernel. A local attacker could exploit an information disclosure vulnerability by not properly zeroing out unused space at the end of fast-commit journal blocks in the ext4 filesystem. This could lead to the leakage of uninitialized memory to disk, potentially allowing information disclosure.

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

CWE-909 · Missing Initialization of Resource