CVE:CVE-2017-7518
CNNVD:CNNVD-201706-1068
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 4.12之前版本中KVM模块处理trap flag(TF) bit的方式存在提权漏洞。本地攻击者可利用该漏洞提升权限。
solution: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_server_aus to a higher version than 7.4,and avoid the version 7.4; Upgrade redhat enterprise_linux_server_eus to a higher version than 7.4,7.5,and avoid the version 7.4,7.5; Upgrade redhat enterprise_linux_workstation to a higher version than 7.0,and avoid the version 7.0; Upgrade canonical ubuntu_linux to a higher version than 14.04,16.04,and avoid the version 14.04,16.04; Upgrade debian debian_linux to a higher version than 8.0,9.0,and avoid the version 8.0,9.0; Upgrade linux linux_kernel to a higher version than 4.12,and avoid the version (,4.12)