CVE Database›CVE-2022-48664

CVE-2022-48664

kernel: btrfs: fix hang during unmount when stopping a space reclaim worker

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · April 28, 2024

Updated · November 21, 2025

Description

A vulnerability was found in the btrfs filesystem in the Linux kernel. This issue can cause a system hang during the unmount process if the space reclaim worker is not properly stopped, possibly leading to system instability.

Statement

Red Hat Enterprise Linux is not vulnerable to this CVE, as it does not affect the versions or configurations of the Linux kernel used in its distributions.

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

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

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-833 · Deadlock