CVE:CVE-2016-4578
CNNVD:CNNVD-201605-363
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 4.6之前版本的sound/core/timer.c文件中存在安全漏洞，该漏洞源于程序没有初始化特定的r1数据结构体。本地攻击者可借助ALSA计时器接口的特制的使用方法利用该漏洞获取内核栈内存中的敏感信息。
solution:Upgrade linux linux_kernel to a higher version than 4.6,and avoid the version (,4.6]; Upgrade canonical ubuntu_linux to a higher version than 12.04,14.04,15.10,16.04,and avoid the version 12.04,14.04,15.10,16.04; Upgrade debian debian_linux to a higher version than 8.0,and avoid the version 8.0; Upgrade redhat enterprise_linux_desktop to a higher version than 7.0,and avoid the version 7.0; Upgrade redhat enterprise_linux_server to a higher version than 7.0,and avoid the version 7.0; Upgrade redhat enterprise_linux_server_aus to a higher version than 7.3,7.4,7.6,and avoid the version 7.3,7.4,7.6; Upgrade redhat enterprise_linux_server_eus to a higher version than 7.3,7.4,7.5,7.6,and avoid the version 7.3,7.4,7.5,7.6; Upgrade redhat enterprise_linux_server_tus to a higher version than 7.3,7.6,and avoid the version 7.3,7.6; Upgrade redhat enterprise_linux_workstation to a higher version than 7.0,and avoid the version 7.0; Upgrade opensuse leap to a higher version than 42.1,and avoid the version 42.1; Upgrade opensuse opensuse to a higher version than 13.1,and avoid the version 13.1