imPC@ndo IT

Tracker / CVE-2016-2854

CVE-2016-2854

High 7.8

The aufs module for the Linux kernel 3.x and 4.x does not properly maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory.

Affected products and versions

linux linux_kernel · 3.0.0 → 3.19.8
linux linux_kernel · 4.0.0 → 4.20.15

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References