CVE-2021-47072

kernel: btrfs: fix removed dentries still existing after log is synced

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · March 1, 2024

Updated · November 21, 2025

Description

A flaw was found in the Linux Kernel's BTR file system. This issue could allow a local user to crash the system.

Statement

Red Hat Enterprise Linux 8 and 9 are not affected by this CVE as they do not include Btrfs filesystem support (CONFIG_BTRFS_FS is not set).

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:N/I:N/A:H

CWE-99 · Improper Control of Resource Identifiers ('Resource Injection')