CVE-2016-2853

 

Published at: - 02-05-2016 12:59

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

Total changes: - 6

Description

The aufs module for the Linux kernel 3.x and 4.x does not properly restrict the mount namespace, which allows local users to gain privileges by mounting an aufs filesystem on top of a FUSE filesystem, and then executing a crafted setuid program.

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

• http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/
• [oss-security] 20160224 Aufs Union Filesystem Privilege Escalation In User Namespaces-Exploit, Mailing List, Third Party Advisory
• [aufs] 20160219 aufs3 and aufs4 GIT release-Third Party Advisory
• 96839-Broken Link
• [oss-security] 20211018 Re: CVE-2021-3847: OverlayFS - Potential Privilege Escalation using overlays copy_up-Mailing List, Third Party Advisory

 

Keywords

NVD

 

CVE-2016-2853

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures