CVE:CVE-2019-8980
CNNVD:CNNVD-201902-815
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 4.20.11及之前版本中的fs/exec.c文件的‘kernel_read_file’函数存在资源管理错误漏洞。攻击者可利用该漏洞造成拒绝服务（内存消耗）。
solution:Upgrade linux linux_kernel to a higher version than 4.9.163,4.14.106,4.19.28,4.20.15,5.0.1,5.1:rc1,and avoid the version [4.7,4.9.163),[4.14,4.14.106),[4.19,4.19.28),[4.20,4.20.15),[5.0,5.0.1),5.1:rc1; Upgrade canonical ubuntu_linux to a higher version than 14.04,16.04,18.04,18.10,and avoid the version 14.04,16.04,18.04,18.10; Upgrade opensuse leap to a higher version than 15.0,and avoid the version 15.0; Upgrade debian debian_linux to a higher version than 8.0,and avoid the version 8.0