Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Race condition in the ext4_file_write_iter function in fs/ext4/file.c in the Linux kernel through 3.17 allows local users to cause a denial of service (file unavailability) via a combination of a write action and an F_SETFL fcntl operation for the O_DIRECT flag.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel 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 3.17及之前版本的fs/ext4/file.c文件中的‘ext4_file_write_iter’函数中存在竞争条件漏洞。本地攻击者可通过对O_DIRECT标志执行写入操作和F_SETFL fcntl操作利用该漏洞造成拒绝服务（文件不可用）。
CVSS Information
N/A
Vulnerability Type
N/A