CVE-2023-1206

MediumCVSS 5.7/10Last modified Oct 14, 2026

Description

A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel’s IPv6 functionality when a user makes a new kind of SYN flood attack. A user located in the local network or with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6 connections up to 95%.

Metrics

CVSS 3.1 5.7/10CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-400

Affected software

No affected versions have been published.

Timeline

Published: Jun 30, 2023
Last modified: Oct 14, 2026
NVD status: Modified

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