ID:12237 - Exploit for Resource exhaustion in Linux kernel - CVE-2023-1206

 
Main Vulnerability Database Exploits ID:12237 - Exploit for Resource exhaustion in Linux kernel - CVE-2023-1206

ID:12237 - Exploit for Resource exhaustion in Linux kernel - CVE-2023-1206

Published: January 4, 2026


Vulnerability identifier: #VU77953
Vulnerability risk: Medium
CVE-ID: CVE-2023-1206
CWE-ID: CWE-400
Exploitation vector: Remote access
Vulnerable software:
Linux kernel

Link to public exploit:


Vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a hash collision flaw in the IPv6 connection lookup table in the Linux kernel’s IPv6 functionality when an attacker makes a new kind of SYN flood attack. A remote attacker can increase the CPU usage of the server that accepts IPV6 connections up to 95%.


Remediation

Install updates from vendor's website.