CVE-2021-3847

 

Published at: - 02-04-2022 01:15

Last modified: - 26-10-2022 01:44

Total changes: - 4

Description

An unauthorized access to the execution of the setuid file with capabilities flaw in the Linux kernel OverlayFS subsystem was found in the way user copying a capable file from a nosuid mount into another mount. A local user could use this flaw to escalate their privileges on the system.

Common Vulnerability Scoring System (CVSS)

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

 

Verification logic

 

Reference

• https://www.openwall.com/lists/oss-security/2021/10/14/3
• https://bugzilla.redhat.com/show_bug.cgi?id=2009704

 

Keywords

NVD

 

CVE-2021-3847

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures