---
cve: "CVE-2023-1206"
severity: "LOW"
cvss: 3.1
epss: "0.5%"
vendor: "n/a"
kev: false
exploited: false
published: "2023-06-30 00:00:00"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-20T20:02:57+02:00"
---

# CVE-2023-1206

> 3.1 LOW

## Beschreibung

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%.

## Referenzen

- <https://bugzilla.redhat.com/show_bug.cgi?id=2175903>
- <https://www.debian.org/security/2023/dsa-5480>
- <https://www.debian.org/security/2023/dsa-5492>
- <https://security.netapp.com/advisory/ntap-20230929-0006/>
- <https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html>
- <https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2023-1206) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_