Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The get_bitmap_file function in drivers/md/md.c in the Linux kernel before 4.1.6 does not initialize a certain bitmap data structure, which allows local users to obtain sensitive information from kernel memory via a GET_BITMAP_FILE ioctl call.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel‘get_bitmap_file()’函数信息泄露漏洞
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 4.1.5及之前版本的drivers/md/md.c文件中的‘get_bitmap_file’函数存在安全漏洞，该漏洞源于程序没有初始化位图数据结构。本地攻击者可借助GET_BITMAP_FILE ioctl调用利用该漏洞获取内核内存中的敏感信息。
CVSS Information
N/A
Vulnerability Type
N/A