Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
fs/overlayfs/dir.c in the OverlayFS filesystem implementation in the Linux kernel before 4.6 does not properly verify the upper dentry before proceeding with unlink and rename system-call processing, which allows local users to cause a denial of service (system crash) via a rename system call that specifies a self-hardlink.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel 拒绝服务漏洞
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 4.6之前的版本中的OverlayFS filesystem实现过程中的fs/overlayfs/dir.c文件存在安全漏洞。本地攻击者可利用该漏洞造成拒绝服务（系统崩溃）。
CVSS Information
N/A
Vulnerability Type
N/A