---
id: 4353
title: "Being Overlord on the Steam Deck with 1 Byte"
source_domain: blog.quarkslab.com
source_url: "https://blog.quarkslab.com/being-overlord-on-the-steam-deck-with-1-byte.html"
published_at: "2025-02-10 23:00"
tags: ["exploitation", "vulnerability", "amd", "steam-deck", "uefi", "smm"]
phying_url: "https://phying.com/item/4353"
lang: en
---

# Being Overlord on the Steam Deck with 1 Byte

## Summary

Quarkslab presents two SMM bugs in AMD firmware drivers affecting the Steam Deck and other AMD devices, turning restrictive 1-byte primitives into code execution in System Management Mode.

## Intelligence Metadata

- **Sources:** blog.quarkslab.com
- **Published:** 2025-02-10 23:00
- **Original:** https://blog.quarkslab.com/being-overlord-on-the-steam-deck-with-1-byte.html
- **Phying News:** https://phying.com/item/4353