Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
A missing authorization check in the fscrypt_process_policy function in fs/crypto/policy.c in the ext4 and f2fs filesystem encryption support in the Linux kernel before 4.7.4 allows a user to assign an encryption policy to a directory owned by a different user, potentially creating a denial of service.
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 4.7.4之前的版本中的ext4和f2fs filesystem encryption support的fs/crypto/policy.c文件的‘fscrypt_process_policy’函数存在安全漏洞，该漏洞源于程序缺少身份认证检查。攻击者可利用该漏洞分配加密策略，造成拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A