CVE-2016-4794 is a use-after-free vulnerability in the Linux kernel (versions through 4.6) affecting Canonical and Linux distributions. This flaw allows a local attacker to trigger a denial of service (BUG) or potentially achieve other unspecified impacts by manipulating mmap and bpf system calls. With a CVSS score of 7.8 (High), it presents a significant risk due to its low attack complexity and high potential for confidentiality, integrity, and availability impacts. While no public exploit code is readily available (Metasploit, Nuclei, ExploitDB), and it's not on the KEV catalog, there has been some community discussion and media coverage, indicating awareness of the vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 3.18, < 3.18.37CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 3.19, < 4.1.28CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 4.2, < 4.4.16CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 4.5, < 4.6.5CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
14.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*: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
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.