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CVE-2021-3732

nvd nist
Published: Mar 10, 2022Modified: Jun 17, 2026

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5.5
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Exploitability: 1.8 / Impact: 3.6
Source: NVD

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.

Affected (7)

Products: Linux: Linux Kernel
Linux
1 product
Linux Kernel
Configuration A
7 vulnerable
Vulnerable SoftwareAffected Versions
Linux
Linux Kernel
Before 5.14
Linux Kernel
Version 5.14
Linux Kernel
Version 5.14 rc1
Linux Kernel
Version 5.14 rc2
Linux Kernel
Version 5.14 rc3
Linux Kernel
Version 5.14 rc4
Linux Kernel
Version 5.14 rc5

Related CWEs

CWE-200
Exposure of Sensitive Information to an Unauthorized Actor
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

References (8)

Source: secalert@redhat.com
Issue TrackingPatchThird Party Advisory
Source: secalert@redhat.com
Mailing ListPatchVendor Advisory
Source: secalert@redhat.com
PatchThird Party Advisory
Source: secalert@redhat.com
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListPatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.