CVE-2021-47366

kernel: afs: Fix corruption in reads at fpos 2G-4G from an OpenAFS server

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Severity

Moderate

Red Hat Product Security

3.3

CVSS 3.1

Review impact separately from score.

Published · May 21, 2024

Updated · August 5, 2026

Description

A flaw was found in the Linux kernel's experimental Andrew File System driver, leading to corruption in reads. This issue could allow a user to read incorrect data if this file system is being used.

Statement

Older versions of Red Hat Enterprise Linux 8 and 9 are not affected because the config param CONFIG_AFS_FS is disabled. The latest versions of Red Hat Enterprise Linux 8 and 9 are fixed.

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 · 3.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

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