Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The simple_set_acl function in fs/posix_acl.c in the Linux kernel before 4.9.6 preserves the setgid bit during a setxattr call involving a tmpfs filesystem, which allows local users to gain group privileges by leveraging the existence of a setgid program with restrictions on execute permissions. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-7097.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel 安全漏洞
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 4.9.6之前的版本中的fs/posix_acl.c文件的‘simple_set_acl’函数存在安全漏洞。本地攻击者可利用该漏洞获取组权限。
CVSS Information
N/A
Vulnerability Type
N/A