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st424204

PROFILE

St424204

Over four months, this developer focused on advanced Linux kernel vulnerability research within the google/security-research repository, delivering reproducible proof-of-concept exploits for high-risk issues such as buffer overlaps, double-free, and use-after-free conditions. They engineered and documented exploit code in C and Python, targeting vulnerabilities like CVE-2024-41009 and CVE-2025-21756 to demonstrate privilege escalation and container escape scenarios. Their work emphasized risk assessment, mitigation guidance, and traceable documentation, supporting responsible disclosure and patch prioritization. By leveraging skills in memory corruption, eBPF, and reverse engineering, they enabled security teams to understand exploitability and accelerate remediation for critical kernel flaws.

Overall Statistics

Feature vs Bugs

0%Features

Repository Contributions

4Total
Bugs
4
Commits
4
Features
0
Lines of code
4,567
Activity Months4

Work History

October 2025

1 Commits

Oct 1, 2025

Month 2025-10 — Security research focus in google/security-research. Identified and documented a high-severity Linux kernel vulnerability CVE-2025-21756 affecting vsock use-after-free, including a proof-of-concept exploit and concrete mitigation guidance. Delivered risk assessment, patch recommendations, and actionable remediation steps to accelerate upstream fixes and minimize container escape risk. No production feature releases this month; primary value delivered through proactive vulnerability discovery, reproducible PoC, and enhanced security posture for Linux-based container environments.

April 2025

1 Commits

Apr 1, 2025

April 2025: Security research focus on a kernel vulnerability CVE-2024-53141 in ipset bitmap:ip within google/security-research. Delivered a reproducible PoC in a controlled lab environment, documented the exploit flow and impact, and produced materials to support risk assessment and remediation planning. No production patches released this month; emphasis on analysis, demonstration, and knowledge transfer to enable faster mitigation in future sprints. This work informs vulnerability risk posture and guides patch prioritization for kernel/IP set type deployments.

January 2025

1 Commits

Jan 1, 2025

January 2025: No user-facing features delivered this month. Primary focus on security risk disclosure and PoC documentation for CVE-2024-36972 (af_unix double-free) within google/security-research. A PoC was documented and committed, contributing to vulnerability visibility and risk management of kernel security. The work included a commit that adds kernelCTF CVE-2024-36972_lts_cos (#129).

December 2024

1 Commits

Dec 1, 2024

2024-12 Monthly Summary: Security research focus in google/security-research, delivering a high‑risk vulnerability demonstration artifact with full commit traceability and evaluation notes. The month emphasized risk understanding, reproducibility, and remediation planning for a kernel vulnerability rather than production feature development.

Activity

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Quality Metrics

Correctness90.0%
Maintainability80.0%
Architecture90.0%
Performance80.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

AssemblyCMakefilePythonShell

Technical Skills

Assembly LanguageC ProgrammingContainer EscapeDouble Free VulnerabilitiesExploit DevelopmentIP SetsKASLR BypassLinux Kernel ExploitationMemory CorruptionNetfilterPrivilege EscalationPython ScriptingROP ChainsRace ConditionsReverse Engineering

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

google/security-research

Dec 2024 Oct 2025
4 Months active

Languages Used

AssemblyCPythonMakefileShell

Technical Skills

KASLR BypassLinux Kernel ExploitationReverse EngineeringShellcode DevelopmentSystem ProgrammingVulnerability Research

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