Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The tty_open function in drivers/tty/tty_io.c in the Linux kernel before 3.1.1 mishandles a driver-lookup failure, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via crafted access to a device file under the /dev/pts directory.
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 3.1.1之前版本的drivers/tty/tty_io.c文件中的‘tty_open’函数存在安全漏洞，该漏洞源于程序没有正确处理driver-lookup故障。本地攻击者可借助对/dev/pts目录下的设备文件的特制的访问利用该漏洞造成拒绝服务（空指针逆向引用和系统崩溃）。
CVSS Information
N/A
Vulnerability Type
N/A