Advanced eBPF Exploitation: Bypassing the Kernel Verifier in 2025

 Posted on 4 May 2026  |  3 minutes  |  599 words  |  Carla Brown

Bypassing the Kernel Verifier: Advanced eBPF Exploitation in 2025

The Linux kernel’s eBPF (extended Berkeley Packet Filter) subsystem has become a focal point for both security researchers and attackers alike. With its ability to execute arbitrary code in kernel space, eBPF has opened up new avenues for exploitation. Recently, we’ve seen a surge in advanced eBPF exploitation techniques that bypass the kernel verifier, allowing attackers to execute malicious code with elevated privileges.

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linux  ebpf  kernel verifier 

Hardening the Linux Kernel with eBPF-based Security Tools

 Posted on 4 May 2026  |  4 minutes  |  660 words  |  Carla Brown

Introduction to Linux Kernel Hardening with eBPF

The Linux kernel is a critical component of the operating system, responsible for managing hardware resources and providing services to applications. However, its complexity and ubiquity make it a prime target for attackers. Recent CVEs (Common Vulnerabilities and Exposures) and MITRE ATT&CK techniques have highlighted the need for robust security measures to protect the Linux kernel. One effective approach is to leverage eBPF (extended Berkeley Packet Filter)-based security tools for hardening the kernel.

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linux-security  ebpf  kernel-hardening