CVE:CVE-2015-5364
CNNVD:CNNVD-201507-809
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 4.0.5及之前版本的‘udp_recvmsg’和‘udpv6_recvmsg’函数中存在安全漏洞。远程攻击者可借助UDP数据包流中错误的校验和利用该漏洞造成拒绝服务（系统挂起）。
solution:Upgrade linux linux_kernel to a higher version than 3.2.70,3.4.109,3.10.81,3.12.44,3.14.45,3.16.35,3.18.17,4.0.6,and avoid the version (,3.2.70),[3.3,3.4.109),[3.5,3.10.81),[3.11,3.12.44),[3.13,3.14.45),[3.15,3.16.35),[3.17,3.18.17),[3.19,4.0.6); Upgrade redhat enterprise_linux_server_aus to a higher version than 6.5,and avoid the version 6.5; Upgrade debian debian_linux to a higher version than 7.0,8.0,and avoid the version 7.0,8.0; Upgrade canonical ubuntu_linux to a higher version than 12.04,14.04,15.04,and avoid the version 12.04,14.04,15.04