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Race Condition

Identify race conditions and TOCTOU vulnerabilities in software code.

Updated Aug 6, 2026
Search Tags:#race condition#exploitation#vulnerability analysis#TOCTOU#thread safety
One-click install
npx skills add https://github.com/alicangnll/Spectra --skill race-condition-alicangnll
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Race Condition
Source: https://github.com/alicangnll/Spectra/tree/main/spectra/skills/builtins/race-condition
Command: npx skills add https://github.com/alicangnll/Spectra --skill race-condition-alicangnll

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires pynacl, threading, os, time, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill provides the ability to detect and exploit race conditions and TOCTOU vulnerabilities in code.

Core Features & Use Cases

  • Vulnerability Discovery: Identifies race conditions, TOCTOU, double-fetch, and thread safety issues.
  • Race Window Analysis: Measures and identifies race windows and exploit conditions.
  • Exploitation Techniques: Demonstrates various techniques to exploit race conditions like file system TOCTOU, kernel double-fetch, and memory allocation races.
  • Advanced Techniques: Includes speculative execution races, GPU race conditions, and database race conditions.
  • Detection and Exploitation Development: Offers static and dynamic analysis methods, along with exploitation development strategies and mitigation bypass techniques.

Quick Start

Run the race condition analysis script on your target code to identify potential vulnerabilities.

Frequently Asked Questions about Race Condition

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I detect TOCTOU vulnerabilities and race conditions in my code?▼

To detect race conditions and TOCTOU vulnerabilities, run the analysis script on your target code to identify thread safety issues, double-fetch, and file system TOCTOU flaws using static and dynamic analysis methods.

What is a race window and how is it measured during vulnerability analysis?▼

A race window is the time frame where concurrent execution can be exploited. Vulnerability analysis measures this race window to identify exact exploit conditions and determine if thread timing allows unauthorized access.

How do I exploit double-fetch and memory allocation race conditions in kernel environments?▼

Exploiting kernel double-fetch and memory allocation race conditions requires identifying the race window and applying specific exploitation techniques. The Skill demonstrates these techniques alongside speculative execution races and GPU race conditions.

Does this race condition analysis require prior knowledge of thread safety and exploitation methods?▼

Yes, race condition analysis requires understanding of TOCTOU vulnerabilities, thread safety, and exploitation methods. It is designed for advanced vulnerability analysis, measuring race windows and developing mitigation bypass techniques.

What is the best way to bypass mitigations when developing race condition exploits?▼

The best way to bypass mitigations when developing race condition exploits is to combine static and dynamic analysis to measure race windows accurately, then apply advanced techniques like speculative execution races or database race conditions.

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