Eviction Notice: Reviving and Advancing Page Cache Attacks

Foreword This blog post is a summarized and introductory write up of our paper recently accepted at NDSS 2026, “Eviction Notice: Reviving and Advancing Page Cache Attacks”. Read the full paper here. Authors: Sudheendra Raghav Neela, Jonas Juffinger, Lukas Maar, Daniel Gruss Artifacts: Github Repository, Zenodo Record (Available, Functional, and Reproducible) CVE-2025-21691: Announcement, Red Hat, NVD NIST, Debian Tracker, Suse. Introduction An operating system deals with pages, the smallest region of memory in a system using virtual memory1.