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Enhancing Container Security Through Phase-Based System Call Filtering

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PRE
AI
K
Ke Chen
H
Hui Lu
Y
Yinnan Yao
B
Binxing Fang
Y
Yuan Liu
Z
Zhihong Tian
DOI:10.1109/TCC.2025.3583414delete
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摘要

摘要

En 中文
云计算中的容器技术提高了资源利用率和部署效率,但也引入了新的安全风险。容器化环境中的过度权限可能使攻击者利用限制不足的系统调用,可能导致容器逃逸和其他攻击。某些系统调用仅在容器初始化阶段是必要的,允许其在运行时使用会增加被利用的风险。本文提出了一种基于阶段的系统调用过滤(PSF)方法,以最小化云容器运行时的系统调用权限。PSF方法在初始化阶段构建全面的系统调用白名单,以覆盖容器化应用所需的所有调用。在运行时,强制执行经过细化的、特定阶段的系统调用白名单,并根据容器内封装的功能动态调整权限。此外,我们引入了一种容器阶段识别算法,以区分初始化和运行时阶段,支持生成特定阶段的系统调用列表。实验结果表明,所提出的方法增强了运行时系统调用限制,最小化了权限,并提高了云容器的整体安全性。
Keyword:
Containers
system call filtering
static analysis
dynamic analysis
phased

期刊

I
IEEE Transactions on Cloud Computing
IF:
5
论文数:
1.8K
被引数:
4.3K

机构

B
Beijing University of Posts and Telecommunications
学者数:
2.6K
论文数: 1.2K
被引数: 4.2K
G
Guangzhou University
学者数:
1.8W
论文数: 1.3W
被引数: 1.8W
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