CVE:CVE-2018-10878
CNNVD:CNNVD-201807-1890
Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。ext4 filesystem是其中的一套ext4文件系统组件。
Linux kernel中的ext4 filesystem存在安全漏洞。攻击者可借助特制的ext4文件系统镜像利用该漏洞造成拒绝服务（越界写入）。
solution:Upgrade canonical ubuntu_linux to a higher version than 14.04,16.04,18.04,and avoid the version 14.04,16.04,18.04; Upgrade linux linux_kernel to a higher version than 3.18.124,4.4.140,4.9.112,4.14.55,4.17.6,and avoid the version (3.16.58,),[3.17,3.18.124),[3.19,4.4.140),[4.5,4.9.112),[4.10,4.14.55),[4.15,4.17.6),no fixed version after 3.16.58; 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_workstation to a higher version than 7.0,and avoid the version 7.0