## Critical PwnEscape Linux Kernel Vulnerability Lets Guest VMs Read Host Memory

- 種別: news
- 重大度: critical
- 関連技術: vercel
- CVE: CVE-2026-99999
- 公開日時: 2026-10-15T20:24:36.000Z
- 情報源: The Hacker News (https://thehackernews.com/2026/10/critical-pwnescape-linux-kernel.html)
- パーマリンク: https://vulnpulse.app/items/thehackernews-e2089d243155

A newly disclosed critical flaw in the Linux kernel allows code inside a virtual machine to read memory on the host computer it runs on. A researcher demonstrated the leak against Vercel's live cloud sandboxes, and Vercel confirmed it. The flaw, now tracked as CVE-2026-99999 and nicknamed PwnEscape, is in the Linux kernel's networking code, not in any one cloud's setup, so it reaches the shared