CVE:CVE-2011-0695
CNNVD:CNNVD-201103-207
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 2.6.x版本的InfiniBand驱动程序（drivers/infiniband/core/cma.c）中的cm_work_handler函数中存在竞争条件漏洞。当其他请求处理器仍在运行时，远程攻击者可以通过发送InfiniBand请求导致拒绝服务。该漏洞可触发无效指针解引用。
solution:Upgrade linux linux_kernel to a higher version than 2.6.39.4,and avoid the version [2.6.0,2.6.39.4]; Upgrade redhat enterprise_linux_desktop to a higher version than 5.0,and avoid the version 5.0; Upgrade redhat enterprise_linux_eus to a higher version than 5.6,and avoid the version 5.6; Upgrade redhat enterprise_linux_server to a higher version than 5.0,and avoid the version 5.0; Upgrade redhat enterprise_linux_server_aus to a higher version than 5.6,and avoid the version 5.6; Upgrade redhat enterprise_linux_workstation to a higher version than 5.0,and avoid the version 5.0; Upgrade canonical ubuntu_linux to a higher version than 8.04,and avoid the version 8.04