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CVE-2023-1206

MEDIUM CVSS: 5.7 Published: 2023-06-30 Modified: 2026-06-17

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%.

Affected Platforms

Linux Linux KernelFedoraproject FedoraRedhat Enterprise Linux

Weakness Type

CWE-400, CWE-400

References