CVE:CVE-2018-10879
CNNVD:CNNVD-201807-1889
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（‘ext4_xattr_set_entry’函数释放后重用）。
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 4.17.6,and avoid the version (,4.17.6); Upgrade debian debian_linux to a higher version than 8.0,and avoid the version 8.0; Upgrade redhat enterprise_linux to a higher version than 7.0,and avoid the version 7.0; 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