CVE-2021-3732

Updated: 2023-11-04 20:10:19.423898

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.


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x LOW 2.1
CVSS Version 3.x MEDIUM 5.5

Status

OS name Project name Version Score Severity Status Errata Last updated
AlmaLinux 9.2 ESU kernel 5.14.0 5.5 MEDIUM Ignored 2023-11-08 04:07:42
AlmaLinux 9.2 FIPS kernel 5.14.0 5.5 MEDIUM Ignored 2023-11-21 04:12:22
CentOS 6 ELS kernel 2.6.32 5.5 MEDIUM Not Vulnerable 2022-03-30 18:48:13
CentOS 8.4 ELS kernel 4.18.0 5.5 MEDIUM Ignored 2022-04-12 04:05:45
CentOS 8.5 ELS kernel 4.18.0 5.5 MEDIUM Ignored 2022-04-12 04:05:45
CloudLinux 6 ELS kernel 2.6.32 5.5 MEDIUM Not Vulnerable 2022-03-30 18:48:13
Oracle Linux 6 ELS kernel 2.6.32 5.5 MEDIUM Not Vulnerable 2022-12-02 16:07:07
Ubuntu 16.04 ELS linux 4.4.0 5.5 MEDIUM Released CLSA-2023:1682604577 2023-04-27 11:13:39
Ubuntu 16.04 ELS linux-hwe 4.15.0 5.5 MEDIUM Already Fixed 2023-04-21 03:22:38
Ubuntu 18.04 ELS linux 4.15.0 5.5 MEDIUM Ignored 2023-03-02 04:04:15