---
id: 8903
title: "A Race Within A Race: Exploiting CVE-2025-38617 in Linux Packet Sockets"
cve: CVE-2025-38617
source_domain: calif.io
source_url: "https://calif.io/research/race-within-a-race"
published_at: "2026-03-03T00:00:00Z"
tags: ["vulnerability-research", "linux", "exploitation", "linux-kernel", "race-condition", "cve-2025-38617"]
phying_url: "https://phying.com/item/8903"
lang: en
---

# A Race Within A Race: Exploiting CVE-2025-38617 in Linux Packet Sockets

## Summary

A step-by-step guide to exploiting a 20-year-old bug in the Linux kernel to achieve full privilege escalation and container escape, plus a cool bug-hunting heuristic.

## Intelligence Metadata

- **Sources:** calif.io
- **CVE:** CVE-2025-38617
- **Published:** 2026-03-03T00:00:00Z
- **Original:** https://calif.io/research/race-within-a-race
- **Phying News:** https://phying.com/item/8903