cvedb.io
CVE-2023-1206
MEDIUM · CVSS 5.7
EPSS exploitation probability: 0%
Published 2023-06-30T22:15:09.747 · Last modified 2026-06-17T05:27:21.530

Summary

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 products

linux — linux_kernel

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.