Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Race condition in the prepare_binprm function in fs/exec.c in the Linux kernel before 3.19.6 allows local users to gain privileges by executing a setuid program at a time instant when a chown to root is in progress, and the ownership is changed but the setuid bit is not yet stripped.
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 3.19.5及之前版本的fs/exec.c文件中的‘prepare_binprm’函数存在竞争条件漏洞，该漏洞源于‘chown()’和‘execve()’函数之间的竞争条件错误导致setuid位没有随所有权改变。本地攻击者可利用该漏洞获取权限。
CVSS Information
N/A
Vulnerability Type
N/A