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Vulnerability Intelligence

CVE-2021-3732

MEDIUM5.5

A flaw was found in the Linux kernel's OverlayFS subsystem in the way the user mounts the TmpFS filesystem with OverlayFS

Published Mar 7, 2022

Modified 1 years ago

No fix available

Details

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

WEBhttps://bugzilla.redhat.com/show_bug.cgi?id=1995249 WEBhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=427215d85e8d1476da1a86b8d67aceb485eb3631 WEBhttps://github.com/torvalds/linux/commit/427215d85e8d1476da1a86b8d67aceb485eb3631 WEBhttps://ubuntu.com/security/CVE-2021-3732 ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2021-3732

CVSS Analysis

CVSS v3.1

5.5

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

NoneI:N

Availability

NoneA:N

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

Weakness Type (CWE)

Information Disclosure

Information Exposure

Ecosystems

Timeline

PublishedMar 7, 2022

ModifiedAug 3, 2024

CVE-2021-3732 | Mondoo Vulnerability Intelligence