CVSS Score of 10 (low)


Published Jun 30, 2023
Updated: Jan 11, 2024
CWE ID 400


CVE-2023-1206 is a vulnerability that affects the Linux kernel's IPv6 functionality, specifically the IPv6 connection lookup table. This vulnerability can be exploited when a user initiates a new type of SYN flood attack. The flaw allows a user within the local network or with a high bandwidth connection to significantly increase the CPU usage of a server that accepts IPv6 connections, potentially reaching up to 95%. The affected products include various Linux kernel versions. To remediate this vulnerability, users are advised to update their Linux kernel to the latest patched version. The potential danger of this vulnerability lies in the significant impact it can have on server performance, leading to service disruption and potential denial-of-service attacks.


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