CVE-2023-1206

Aliases:UBUNTU-CVE-2023-1206DEBIAN-CVE-2023-1206
Advisory lineage Upstream: 0 Downstream: 45
Modified
Published: 30 Jun 2023, 00:00
Last modified:15 Oct 2024, 17:11

Vulnerability Summary

Overall Risk (default)
low
23/100
CVSS Score
5.7 MEDIUM
v3.1 (nvd)
EPSS Score
0.55% LOW
1% probability +0.51%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

30 Jun 2023, 00:00
Published
Vulnerability first disclosed
15 Oct 2024, 17:11
Last Modified
Vulnerability information updated

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%.

CVSS Metrics

  • v3.1MEDIUMScore: 5.7CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.55% Percentile: 45%

Techniques & Countermeasures

  • CWE-400Uncontrolled Resource Consumption

    The product does not properly control the allocation and maintenance of a limited resource.

Affected Systems

  • debianlinux

    < 5.10.191-1 | < 6.1.52-1 | < 6.4.11-1 | < 6.4.11-1

  • ubuntulinux

    < 3.13.0-194.245 | < 4.4.0-246.280 | < 4.15.0-219.230 | < 5.4.0-164.181 | < 5.15.0-86.96

  • ubuntulinux-aws

    < 4.4.0-1124.130 | < 4.4.0-1162.177 | < 4.15.0-1162.175 | < 5.4.0-1111.120 | < 5.15.0-1047.52

  • ubuntulinux-aws-5.0

    all

  • ubuntulinux-aws-5.11

    all

  • ubuntulinux-aws-5.13

    all

  • ubuntulinux-aws-5.15

    < 5.15.0-1047.52~20.04.1

  • ubuntulinux-aws-5.3

    all

  • ubuntulinux-aws-5.4

    < 5.4.0-1111.120~18.04.1

  • ubuntulinux-aws-5.8

    all

  • ubuntulinux-aws-6.2

    < 6.2.0-1013.13~22.04.1

  • ubuntulinux-aws-fips

    < 4.15.0-2101.107 | all | < 5.4.0-1111.120+fips1

  • ubuntulinux-aws-hwe

    < 4.15.0-1162.175~16.04.1

  • ubuntulinux-azure

    < 4.15.0-1171.186~14.04.1 | < 4.15.0-1171.186~16.04.1 | all | < 5.4.0-1117.124 | < 5.15.0-1049.56

  • ubuntulinux-azure-4.15

    < 4.15.0-1171.186

  • ubuntulinux-azure-5.11

    all

  • ubuntulinux-azure-5.13

    all

  • ubuntulinux-azure-5.15

    < 5.15.0-1049.56~20.04.1

  • ubuntulinux-azure-5.19

    all

  • ubuntulinux-azure-5.3

    all

  • ubuntulinux-azure-5.4

    < 5.4.0-1117.124~18.04.1

  • ubuntulinux-azure-5.8

    all

  • ubuntulinux-azure-6.2

    < 6.2.0-1014.14~22.04.1

  • ubuntulinux-azure-edge

    all

  • ubuntulinux-azure-fde

    all | < 5.15.0-1049.56.1

  • ubuntulinux-azure-fde-5.19

    all

  • ubuntulinux-azure-fde-6.2

    < 6.2.0-1014.14~22.04.1.1

  • ubuntulinux-azure-fips

    < 4.15.0-2080.86 | all | < 5.4.0-1117.124+fips1

  • ubuntulinux-bluefield

    all | < 5.4.0-1072.78 | < 5.15.0-1027.29

  • ubuntulinux-fips

    < 4.4.0-1094.101 | all | < 4.15.0-1117.128 | < 5.4.0-1086.95

  • ubuntulinux-gcp

    < 4.15.0-1156.173~16.04.1 | all | < 5.4.0-1115.124 | < 5.15.0-1044.52

  • ubuntulinux-gcp-4.15

    < 4.15.0-1156.173

  • ubuntulinux-gcp-5.11

    all

  • ubuntulinux-gcp-5.13

    all

  • ubuntulinux-gcp-5.15

    < 5.15.0-1044.52~20.04.1

  • ubuntulinux-gcp-5.3

    all

  • ubuntulinux-gcp-5.4

    < 5.4.0-1115.124~18.04.1

  • ubuntulinux-gcp-5.8

    all

  • ubuntulinux-gcp-6.2

    < 6.2.0-1016.18~22.04.1

  • ubuntulinux-gcp-fips

    < 4.15.0-2064.69 | all | < 5.4.0-1115.124+fips1

  • ubuntulinux-gke

    all | < 5.15.0-1044.49

  • ubuntulinux-gke-4.15

    all

  • ubuntulinux-gke-5.15

    all

  • ubuntulinux-gke-5.4

    all

  • ubuntulinux-gkeop

    < 5.4.0-1078.82 | < 5.15.0-1030.35

  • ubuntulinux-gkeop-5.15

    < 5.15.0-1030.35~20.04.1

  • ubuntulinux-gkeop-5.4

    all

  • ubuntulinux-hwe

    < 4.15.0-219.230~16.04.1 | all

  • ubuntulinux-hwe-5.11

    all

  • ubuntulinux-hwe-5.13

    all

Showing first 50 affected entries in server-rendered view.

References (25)