CVEvulnerability

CVE-2023-1206

5.7 MEDIUM Published 2023-06-30 Modified 2026-10-14 Official page ↗
Status
Modified
Published
2023-06-30
Last modified
2026-10-14
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.7 MEDIUM — CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-400

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 configurations

• linux linux kernel (< 6.5) • redhat enterprise linux 8.0 • redhat enterprise linux 9.0 • fedoraproject fedora 38

Related

Weakness · CWE (1)

  • CWE-400 Uncontrolled Resource Consumption weakness

References