CVE-2021-3732

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

A flaw was found in the Linux kernel's OverlayFS subsystem in the way the user mounts the TmpFS filesystem with OverlayFS. This flaw allows a local user to gain access to hidden files that should not be accessible.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Mar 10, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-3732: Medium severity, CVSS 5.5 | Vulnix