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gVisor - Enhanced Container Security and Isolation
gVisor is a user-space kernel for containers that provides enhanced isolation and security without the performance overhead of traditional virtual machines. It intercepts system calls and handles them within its own safe environment.
Go
Added on 2025年6月5日16,538
Stars1,381
ForksGo
LanguageProject Introduction
Summary
gVisor provides a secure sandbox for containers by implementing a significant portion of the Linux kernel API in userspace, offering a strong isolation boundary between the containerized application and the host operating system.
Problem Solved
Addresses the critical security risk of container escapes, where vulnerabilities in the host kernel or container runtime could allow a malicious container to gain access to the underlying host system.
Core Features
Enhanced Security Isolation
Provides an independent kernel in userspace, significantly limiting the attack surface exposed to the host kernel.
System Call Interception
Intercepts and handles system calls within the sandbox, preventing most direct interactions with the host kernel.
Compatibility with Container Ecosystem
Designed to work with standard container runtimes like Docker and Kubernetes, maintaining compatibility with existing workflows.
Tech Stack
Go
Linux kernel interfaces
Container Runtimes (e.g., runc, containerd)
System Call Interception mechanisms
使用场景
gVisor is ideally suited for environments requiring stronger isolation guarantees than typical container runtimes provide, applicable in various scenarios:
Running Untrusted Code or Functions
Details
Execute untrusted code, such as user-submitted scripts, serverless functions, or third-party plugins, within a tightly controlled and isolated environment to prevent host compromise.
User Value
Significantly reduces the risk of security breaches originating from malicious or vulnerable code executing within containers.
Multi-Tenant Container Platforms
Details
Isolate containers belonging to different tenants or users on the same physical or virtual host, preventing potential side-channel attacks or escapes between tenants.
User Value
Provides a stronger security boundary essential for shared computing resources and regulatory compliance.
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