CVE:CVE-2016-4569
CNNVD:CNNVD-201605-196
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及之前版本的sound/core/timer.c文件中的‘snd_timer_user_params’函数存在安全漏洞，该漏洞源于程序没有初始化特定的数据结构体。本攻击者可借助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 novell suse_linux_enterprise_debuginfo to a higher version than 11.0:sp4,and avoid the version 11.0:sp4; Upgrade novell suse_linux_enterprise_desktop to a higher version than 12.0,12.0:sp1,and avoid the version 12.0,12.0:sp1; Upgrade novell suse_linux_enterprise_live_patching to a higher version than 12.0,and avoid the version 12.0; Upgrade novell suse_linux_enterprise_module_for_public_cloud to a higher version than 12.0,and avoid the version 12.0; Upgrade novell suse_linux_enterprise_real_time_extension to a higher version than 12.0:sp1,and avoid the version 12.0:sp1; Upgrade novell suse_linux_enterprise_server to a higher version than 11.0:extra,11.0:sp4,12.0,12.0:sp1,and avoid the version 11.0:extra,11.0:sp4,12.0,12.0:sp1; Upgrade novell suse_linux_enterprise_software_development_kit to a higher version than 11.0:sp4,12.0,12.0:sp1,and avoid the version 11.0:sp4,12.0,12.0:sp1; Upgrade novell suse_linux_enterprise_workstation_extension to a higher version than 12.0,12.0:sp1,and avoid the version 12.0,12.0:sp1