CVE-2016-1576 describes a privilege escalation vulnerability in the Linux kernel's overlayfs implementation, affecting various Canonical and Linux kernel versions up to 4.5.2. A local attacker can exploit this by mounting an overlayfs filesystem over a FUSE filesystem and executing a specially crafted setuid program. This vulnerability carries a CVSSv3 score of 7.8 (High), indicating a low attack complexity and the potential for complete compromise of confidentiality, integrity, and availability. While not listed on CISA's KEV catalog, exploit code is publicly available via ExploitDB, and it has garnered some community discussion and media coverage, including an article from SecurityWeek.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
15.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_core:15.04:*:*:*:*:*:*:* | ||
12.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* | ||
14.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | ||
15.10CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* | ||
16.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* |
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
No social media mentions found for this CVE.
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.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.