Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The overlayfs implementation in the Linux kernel through 4.5.2 does not properly restrict the mount namespace, which allows local users to gain privileges by mounting an overlayfs filesystem on top of a FUSE filesystem, and then executing a crafted setuid program.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel 安全漏洞
Vulnerability Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux kernel 4.5.2及之前版本的overlayfs实现过程中存在安全漏洞，该漏洞源于程序没有正确限制挂载命名空间。本地攻击者可通过在FUSE文件系统之上挂载overlayfs文件系统利用该漏洞获取权限。
CVSS Information
N/A
Vulnerability Type
N/A