Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The btrfs_ioctl_clone function in fs/btrfs/ioctl.c in the btrfs functionality in the Linux kernel 2.6.29 through 2.6.32, and possibly other versions, does not ensure that a cloned file descriptor has been opened for reading, which allows local users to read sensitive information from a write-only file descriptor.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux Kernel Btrfs实现创建不安全克隆文件漏洞
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内核btrfs功能的fs/btrfs/ioctl.c的btrfs_ioctl_clone函数无法确认克隆文件描述符是否曾被打开阅读，本地用户可从只写文件描述符中读取敏感信息。
CVSS Information
N/A
Vulnerability Type
N/A