#VU74548 Permissions, Privileges, and Access Controls in Linux kernel - CVE-2021-3732

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Main Vulnerability Database Vulnerabilities #VU74548

#VU74548 Permissions, Privileges, and Access Controls in Linux kernel - CVE-2021-3732

Published: April 6, 2023


Vulnerability identifier: #VU74548
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-3732
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists in the way the user mounts the TmpFS filesystem with OverlayFS. A local user can gain access to hidden files that should not be accessible.


Remediation

Install updates from vendor's website.

External links