Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Race condition in OpenBSD VFS allows local users to cause a denial of service (kernel panic) by (1) creating a pipe in one thread and causing another thread to set one of the file descriptors to NULL via a close, or (2) calling dup2 on a file descriptor in one process, then setting the descriptor to NULL via a close in another process that is created via rfork.
CVSS Information
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Vulnerability Type
N/A
Vulnerability Title
OpenBSD Pipe VFS 竞争环境拒绝服务攻击
Vulnerability Description
CVE(CAN) ID: CAN-2001-1047 OpenBSD 是基于BSD系列的操作系统，由OpenBSD project负责维护、分发。其设计目 标是提供一个BSD操作系统的安全实现，增加了大量安全特性。 上述版本的OpenBSD存在设计上的缺陷。进程中一个线程调用pipe(2)系统调用获取两 个文件句柄，进程中另外一个线程可以设置其中一个文件句柄为NULL，最终将导致内 核恐慌(kernel panic)、系统崩溃，形成本地拒绝服务攻击 <* 来源：Alexander Viro (viro@m
CVSS Information
N/A
Vulnerability Type
N/A