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 maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory.
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保存POSIX ACL xattr数据。本地攻击者可借助group-writable setgid目录利用该漏洞获取权限。
CVSS Information
N/A
Vulnerability Type
N/A