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
0.04% LOW
0% probability 0.00%
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

  • v3.1•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: 0.04%• Percentile: 13%

Techniques & Countermeasures

  • CWE-400•Uncontrolled Resource Consumption

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

Affected Systems

  • fedoraproject•fedora

    38

  • linux•linux_kernel

    < 6.5

  • redhat•enterprise_linux

    8.0 | 9.0

References (6)