CVE-2022-48664
kernel: btrfs: fix hang during unmount when stopping a space reclaim worker
Severity
ModerateRed Hat Product Security
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-833 · Deadlock