CVE Database›CVE-2022-48734

CVE-2022-48734

kernel: btrfs: fix deadlock between quota disable and qgroup rescan worker

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · June 20, 2024

Updated · November 21, 2025

Description

A vulnerability was found in the Linux kernel's btrfs file system. The quota disable process leads to a deadlock situation when the quota disable ioctl is initiated. This issue starts a transaction and waits indefinitely for the qgroup rescan worker to complete, creating a circular dependency with other tasks.

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