CVE:CVE-2015-7566
CNNVD:CNNVD-201602-152
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 4.4.1及之前版本的drivers/usb/serial/visor.c文件中的‘clie_5_attach’函数存在安全漏洞。物理位置临近的攻击者可通过插入缺少输出端点的USB设备利用该漏洞造成拒绝服务（空指针逆向引用和系统崩溃）。
solution:Upgrade novell suse_linux_enterprise_software_development_kit to a higher version than 11:sp4,and avoid the version 11:sp4; Upgrade novell suse_linux_enterprise_debuginfo to a higher version than 11:sp4,and avoid the version 11:sp4; Upgrade novell suse_linux_enterprise_real_time_extension to a higher version than 11:sp4,12:sp1,and avoid the version 11:sp4,12:sp1; Upgrade novell suse_linux_enterprise_server to a higher version than 11:extra,11:sp4,and avoid the version 11:extra,11:sp4; Upgrade linux linux_kernel to a higher version than 4.4.1,and avoid the version (,4.4.1]