Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The nfs_can_extend_write function in fs/nfs/write.c in the Linux kernel before 3.13.3 relies on a write delegation to extend a write operation without a certain up-to-date verification, which allows local users to obtain sensitive information from kernel memory in opportunistic circumstances by writing to a file in an NFS filesystem and then reading the same file.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux Kernel NFS File System‘write.c’输入验证错误漏洞
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 3.13.2及之前的版本中的fs/nfs/write.c文件的‘nfs_can_extend_write’函数存在安全漏洞。本地攻击者可通过在NFS文件系统中的文件执行写操作后读取该文件，利用该漏洞获取内核内存的敏感信息。
CVSS Information
N/A
Vulnerability Type
N/A