CVE:CVE-2014-4667
CNNVD:CNNVD-201406-714
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 3.15.1及之前版本的net/sctp/associola.c文件中的‘sctp_association_free’函数存在安全漏洞，该漏洞源于程序没有正确管理‘backlog’值。远程攻击者可通过发送特制的SCTP数据包利用该漏洞造成拒绝服务。
solution:Upgrade linux linux_kernel to a higher version than 3.15.2,and avoid the version (,3.15.2); Upgrade suse linux_enterprise_desktop to a higher version than 11:sp3,and avoid the version 11:sp3; Upgrade suse linux_enterprise_real_time_extension to a higher version than 11:sp3,and avoid the version 11:sp3; Upgrade suse linux_enterprise_server to a higher version than 10:sp4,11:sp3,and avoid the version 10:sp4,11:sp3; Upgrade canonical ubuntu_linux to a higher version than 12.04,and avoid the version 12.04; Upgrade debian debian_linux to a higher version than 7.0,and avoid the version 7.0