CVE:CVE-2019-9213
CNNVD:CNNVD-201903-087
Linux kernel是美国Linux基金会的发布的开源操作系统Linux所使用的内核。
Linux kernel 4.20.14之前版本中的mm/mmap.c文件的expand_downwards存在安全漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。
solution:Upgrade linux linux_kernel to a higher version than 4.9.162,4.14.105,4.19.27,4.20.14,and avoid the version [4.9,4.9.162),[4.14,4.14.105),[4.19,4.19.27),[4.20,4.20.14); 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 7.0,8.0,and avoid the version 7.0,8.0; Upgrade opensuse leap to a higher version than 15.0,42.3,and avoid the version 15.0,42.3; Upgrade canonical ubuntu_linux to a higher version than 12.04,14.04,16.04,18.10,and avoid the version 12.04,14.04,16.04,18.10