CVE-2023-1206
Vulnerability Summary
Timeline
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
- v3.1•MEDIUM•Score: 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-400•Uncontrolled Resource Consumption
The product does not properly control the allocation and maintenance of a limited resource.
Affected Systems
- debian•linux
< 5.10.191-1 | < 6.1.52-1 | < 6.4.11-1 | < 6.4.11-1
- ubuntu•linux
< 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
- ubuntu•linux-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
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
< 5.15.0-1047.52~20.04.1
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
< 5.4.0-1111.120~18.04.1
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-6.2
< 6.2.0-1013.13~22.04.1
- ubuntu•linux-aws-fips
< 4.15.0-2101.107 | all | < 5.4.0-1111.120+fips1
- ubuntu•linux-aws-hwe
< 4.15.0-1162.175~16.04.1
- ubuntu•linux-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
- ubuntu•linux-azure-4.15
< 4.15.0-1171.186
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1049.56~20.04.1
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
< 5.4.0-1117.124~18.04.1
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-6.2
< 6.2.0-1014.14~22.04.1
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all | < 5.15.0-1049.56.1
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fde-6.2
< 6.2.0-1014.14~22.04.1.1
- ubuntu•linux-azure-fips
< 4.15.0-2080.86 | all | < 5.4.0-1117.124+fips1
- ubuntu•linux-bluefield
all | < 5.4.0-1072.78 | < 5.15.0-1027.29
- ubuntu•linux-fips
< 4.4.0-1094.101 | all | < 4.15.0-1117.128 | < 5.4.0-1086.95
- ubuntu•linux-gcp
< 4.15.0-1156.173~16.04.1 | all | < 5.4.0-1115.124 | < 5.15.0-1044.52
- ubuntu•linux-gcp-4.15
< 4.15.0-1156.173
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
< 5.15.0-1044.52~20.04.1
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
< 5.4.0-1115.124~18.04.1
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-6.2
< 6.2.0-1016.18~22.04.1
- ubuntu•linux-gcp-fips
< 4.15.0-2064.69 | all | < 5.4.0-1115.124+fips1
- ubuntu•linux-gke
all | < 5.15.0-1044.49
- ubuntu•linux-gke-4.15
all
- ubuntu•linux-gke-5.15
all
- ubuntu•linux-gke-5.4
all
- ubuntu•linux-gkeop
< 5.4.0-1078.82 | < 5.15.0-1030.35
- ubuntu•linux-gkeop-5.15
< 5.15.0-1030.35~20.04.1
- ubuntu•linux-gkeop-5.4
all
- ubuntu•linux-hwe
< 4.15.0-219.230~16.04.1 | all
- ubuntu•linux-hwe-5.11
all
- ubuntu•linux-hwe-5.13
all
Showing first 50 affected entries in server-rendered view.
References (25)
- 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
- https://ubuntu.com/security/CVE-2023-1206
- https://ubuntu.com/security/notices/USN-6343-1
- https://ubuntu.com/security/notices/USN-6385-1
- https://ubuntu.com/security/notices/USN-6412-1
- https://ubuntu.com/security/notices/USN-6416-1
- https://ubuntu.com/security/notices/USN-6417-1
- https://ubuntu.com/security/notices/USN-6416-2
- https://ubuntu.com/security/notices/USN-6416-3
- https://ubuntu.com/security/notices/USN-6439-1
- https://ubuntu.com/security/notices/USN-6440-1
- https://ubuntu.com/security/notices/USN-6445-1
- https://ubuntu.com/security/notices/USN-6440-2
- https://ubuntu.com/security/notices/USN-6439-2
- https://ubuntu.com/security/notices/USN-6445-2
- https://ubuntu.com/security/notices/USN-6440-3
- https://ubuntu.com/security/notices/USN-6460-1
- https://ubuntu.com/security/notices/USN-6466-1
- https://www.cve.org/CVERecord?id=CVE-2023-1206
- https://security-tracker.debian.org/tracker/CVE-2023-1206