Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
fs/namespace.c in the Linux kernel before 4.9 does not restrict how many mounts may exist in a mount namespace, which allows local users to cause a denial of service (memory consumption and deadlock) via MS_BIND mount system calls, as demonstrated by a loop that triggers exponential growth in the number of mounts.
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 4.8.15及之前的版本中的fs/namespace.c文件存在安全漏洞，该漏洞源于程序没有限制挂载名称空间的挂载数。本地攻击者可借助MS_BIND挂载系统调用利用该漏洞造成拒绝服务（内存消耗和死锁）。
CVSS Information
N/A
Vulnerability Type
N/A