Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The CRC32C feature in the Btrfs implementation in the Linux kernel before 3.8-rc1 allows local users to cause a denial of service (prevention of file creation) by leveraging the ability to write to a directory important to the victim, and creating a file with a crafted name that is associated with a specific CRC32C hash value.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux Kernel Btrfs CRC32C功能安全绕过漏洞
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 3.8-rc1之前的版本中的Btrfs文件系统实现中的CRC32C功能中存在漏洞。通过利用可以对受害人写入重要目录的能力，创建一个带有与CRC32C散列值相关特殊名字的文件，本地攻击者利用该漏洞导致拒绝服务（阻止创建文件）。
CVSS Information
N/A
Vulnerability Type
N/A