Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The gfs2_lock function in the Linux kernel before 2.6.34-rc1-next-20100312, and the gfs_lock function in the Linux kernel on Red Hat Enterprise Linux (RHEL) 5 and 6, does not properly remove POSIX locks on files that are setgid without group-execute permission, which allows local users to cause a denial of service (BUG and system crash) by locking a file on a (1) GFS or (2) GFS2 filesystem, and then changing this file's permissions.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux Kernel gfs_lock函数本地拒绝服务漏洞
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的gfs2_lock和gfs_lock函数没有对setgid未设置group-execute权限文件的POSIX锁定进行正确的删除，本地用户可以通过在GFS或GFS2文件系统上锁定文件，然后再更改该文件的权限，导致系统崩溃。
CVSS Information
N/A
Vulnerability Type
N/A