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VULNERABILITIES

CVE-2023-1206 Details

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.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.7 MEDIUMVector:CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://bugzilla.redhat.com/show_bug.cgi?id=2175903 CVEIssue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html CVE
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html CVE
https://security.netapp.com/advisory/ntap-20230929-0006/ CVE
https://www.debian.org/security/2023/dsa-5480 CVE

see all 12 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-400Uncontrolled Resource Consumption[email protected]
CWE-400Uncontrolled Resource Consumption[email protected]

Affected Products

ProductVersions
linux linux kernel
< 6.5

CPE

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
redhat enterprise linux
8.0
9.0

CPE

  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
fedoraproject fedora
38

CPE

  • cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

10 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2023-1206
NVD Published Date:
Jun 30, 2023
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2023-1206 Details - Not Deferred