Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Race condition in the tty_ioctl function in drivers/tty/tty_io.c in the Linux kernel through 4.4.1 allows local users to obtain sensitive information from kernel memory or cause a denial of service (use-after-free and system crash) by making a TIOCGETD ioctl call during processing of a TIOCSETD ioctl call.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel‘tty_ioctl’函数竞争条件漏洞
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 4.4.1及之前版本的drivers/tty/tty_io.c文件中的‘tty_ioctl’函数中存在竞争条件漏洞。本地攻击者可借助TIOCSETD的并发调用利用该漏洞造成拒绝服务（释放后重用和系统崩溃）。
CVSS Information
N/A
Vulnerability Type
N/A