Detections
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CVE-2021-3732

medium

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.

References

https://ubuntu.com/security/CVE-2021-3732

https://github.com/torvalds/linux/commit/427215d85e8d1476da1a86b8d67aceb485eb3631

https://bugzilla.redhat.com/show_bug.cgi?id=1995249

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=427215d85e8d1476da1a86b8d67aceb485eb3631

Details

Source: Mitre, NVD

Published: 2022-03-10

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 2.1

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Severity: Medium

EPSS

EPSS: 0.00014