CVE-2016-2854 describes a privilege escalation vulnerability in the aufs module of Linux kernel versions 3.x and 4.x. This flaw allows local users to gain elevated privileges by exploiting improper handling of POSIX ACL xattr data within group-writable setgid directories. With a CVSS score of 7.8 (High), successful exploitation grants high confidentiality, integrity, and availability impacts with low attack complexity. While not observed in active exploitation (KEV: No), public exploit code exists, specifically targeting Ubuntu 15.10, though community discussion and media coverage remain minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 3.0.0, <= 3.19.8CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 4.0.0, <= 4.20.15CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.