Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The capabilities implementation in the Linux kernel before 3.14.8 does not properly consider that namespaces are inapplicable to inodes, which allows local users to bypass intended chmod restrictions by first creating a user namespace, as demonstrated by setting the setgid bit on a file with group ownership of root.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel 权限许可和访问控制漏洞
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 3.14.5及之前版本的用户命名空间(CONFIG_USER_NS)的实现过程中存在安全漏洞。本地攻击者可通过创建用户命名空间利用该漏洞在系统上提升权限。
CVSS Information
N/A
Vulnerability Type
N/A