CVE-2016-2070 describes a denial-of-service vulnerability in the Linux kernel (versions before 4.3.5) affecting the tcp_cwnd_reduction function. Remote attackers can trigger a divide-by-zero error and system crash by sending specially crafted TCP traffic. This high-severity vulnerability (CVSS 7.5) requires no authentication or user interaction, allowing unprivileged network-based attacks to achieve a complete system outage. While no public exploits or Metasploit modules are available, and community discussion is minimal, the potential for a remote denial of service remains.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.3, < 4.3.5CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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