Xen Hypervisor Flaws Let One Malicious VM Read and Write Any Other VM's Memory

AI Summary

Two newly disclosed flaws in Xen hypervisor (all versions from 4.6 onward) allow a malicious guest VM to read and write memory belonging to any other VM on the same host, including the privileged dom0 management domain. No known mitigations exist; patches are available as of November 3. This is a critical issue for cloud providers and enterprises running multi-tenant Xen-based virtualization infrastructure.

Read full article → https://thehackernews.com/2026/11/xen-hypervisor-f…

Relevance score: 84.0/100

# More from November 05

1
Binance Reveals How Fake Job Interviews and AI Tool Abuse Led to $6.43 Billion Theft The Hacker News
2
French blood service hit by Europe-wide cyberattacks on refrigeration The Record
3
APT29-Linked Hackers Hijack Web Analytics Script to Deliver iOS and Android Exploits The Hacker News
5
CISA Confirms Hackers Exploiting WordPress Core Flaw During Software Upgrades The Hacker News
6
cPGuard Update Channel Hijacked to Backdoor Linux Servers and Collect Password Hashes The Hacker News
7
Google Issues Patches for Critical Android Flaw That Could Allow RCE Without User Interaction The Hacker News
8
Google Warns LLMjacking Attacks Are Costing Some Enterprises Up to $1 Million in Cloud Charges The Hacker News
9
Zyxel fixes zero-day exploited to hack nearly 1,000 network switches BleepingComputer
10
More Asian airlines announce data breaches after attack on Spanish IT provider Amadeus The Record