Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The clone_mnt function in fs/namespace.c in the Linux kernel before 3.8.6 does not properly restrict changes to the MNT_READONLY flag, which allows local users to bypass an intended read-only property of a filesystem by leveraging a separate mount namespace.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel ‘clone_mnt’函数安全漏洞
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 3.8.6之前的版本中的fs/namespace.c中的‘clone_mnt’函数中存在漏洞，该漏洞源于程序未正确限制对MNT_READONLY标记的更改。本地攻击者可通过挂载只读属性的文件系统，绕过该文件系统的只读限制。
CVSS Information
N/A
Vulnerability Type
N/A