CVE:CVE-2014-4656
CNNVD:CNNVD-201407-141
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。ALSA是一个由内核驱动的高级Linux声音架构，它在Linux操作系统上提供音频和MIDI（音乐设备数字化接口）的支持。
Linux kernel 3.15.1及之前版本的ALSA控制实现过程中的sound/core/control.c文件中的‘snd_ctl_add’函数的index值和‘snd_ctl_remove_numid_conflict’函数的numid值存在整数溢出漏洞，本地攻击者可借助/dev/snd/controlCX访问权限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_server to a higher version than 10:sp4,and avoid the version 10:sp4; Upgrade canonical ubuntu_linux to a higher version than 12.04,and avoid the version 12.04; Upgrade redhat enterprise_linux_desktop to a higher version than 6.0,and avoid the version 6.0; Upgrade redhat enterprise_linux_eus to a higher version than 6.6,and avoid the version 6.6; Upgrade redhat enterprise_linux_server to a higher version than 6.0,and avoid the version 6.0; Upgrade redhat enterprise_linux_server_aus to a higher version than 6.6,and avoid the version 6.6; Upgrade redhat enterprise_linux_server_tus to a higher version than 6.6,and avoid the version 6.6; Upgrade redhat enterprise_linux_workstation to a higher version than 6.0,and avoid the version 6.0