Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
arch/x86/kernel/entry_64.S in the Linux kernel before 3.19.2 does not prevent the TS_COMPAT flag from reaching a user-mode task, which might allow local users to bypass the seccomp or audit protection mechanism via a crafted application that uses the (1) fork or (2) close system call, as demonstrated by an attack against seccomp before 3.16.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel 权限许可和访问控制漏洞
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 3.19.1及之前版本的arch/x86/kernel/entry_64.S文件中存在安全漏洞，该漏洞源于程序执行user-mode任务时设置了TS_COMPAT标志。本地攻击者可借助特制的应用程序（使用fork或close系统调用）利用该漏洞绕过既定的seccomp（安全计算）或审计保护机制。
CVSS Information
N/A
Vulnerability Type
N/A