Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
In net/socket.c in the Linux kernel through 4.17.1, there is a race condition between fchownat and close in cases where they target the same socket file descriptor, related to the sock_close and sockfs_setattr functions. fchownat does not increment the file descriptor reference count, which allows close to set the socket to NULL during fchownat's execution, leading to a NULL pointer dereference and system crash.
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。 Linux kernel 4.17.1及之前版本中的net/socket.c文件存在安全漏洞。攻击者可利用该漏洞造成空指针逆向引用和系统崩溃。
CVSS Information
N/A
Vulnerability Type
N/A