CVE:CVE-2018-1130
CNNVD:CNNVD-201805-355
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。
Linux kernel 4.16-rc7之前版本中的net/dccp/output.c文件的‘dccp_write_xmit()’函数存在安全漏洞。本地攻击者可借助大量特制的系统调用利用该漏洞造成拒绝服务（空指针逆向引用）。
solution:Upgrade linux linux_kernel to a higher version than 4.16,4.16:rc1,4.16:rc2,4.16:rc3,4.16:rc4,4.16:rc5,4.16:rc6,and avoid the version (,4.16),4.16:rc1,4.16:rc2,4.16:rc3,4.16:rc4,4.16:rc5,4.16:rc6; Upgrade debian debian_linux to a higher version than 7.0,8.0,and avoid the version 7.0,8.0; Upgrade canonical ubuntu_linux to a higher version than 14.04,16.04,and avoid the version 14.04,16.04; 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_workstation to a higher version than 7.0,and avoid the version 7.0