Privilege Escalation via Mount Namespace Vulnerability in aufs Module

Privilege Escalation via Mount Namespace Vulnerability in aufs Module

CVE-2016-2853 · HIGH Severity

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

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.

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