Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
An issue was discovered in fs/nfs/dir.c in the Linux kernel before 5.16.5. If an application sets the O_DIRECTORY flag, and tries to open a regular file, nfs_atomic_open() performs a regular lookup. If a regular file is found, ENOTDIR should occur, but the server instead returns uninitialized data in the file descriptor.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel 安全漏洞
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。KVM是其中的一个基于内核的虚拟机。 Linux kernel 存在安全漏洞，该漏洞源于Linux 内核中的 fs/nfs/dir.c 中发现了一个问题。 如果应用程序设置了 O_DIRECTORY 标志，并尝试打开常规文件，nfs_atomic_open() 将执行常规查找。 如果找到常规文件，则应该发生 ENOTDIR，但服务器会在文件描述符中返回未初始化的数据。
CVSS Information
N/A
Vulnerability Type
N/A