DEBIAN-CVE-2023-1206

Advisory lineage Upstream: 1 Downstream: 4
Upstream
CVE-2023-1206
Published: 30 Jun 2023, 22:15
Last modified:28 Apr 2026, 20:25

Vulnerability Summary

Overall Risk (default)
low
23/100
CVSS Score
5.7 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

30 Jun 2023, 22:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:25
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

Affected Systems

  • debian•linux

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

References (1)