CVE:CVE-2021-20239
CNNVD:CNNVD-202103-993
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。
Linux kernel 存在安全漏洞。攻击者可以利用该漏洞主机操作系统中导致拒绝服务。
solution:Upgrade linux linux_kernel to a higher version than 5.4.92,and avoid the version (,5.4.92); Upgrade redhat enterprise_linux to a higher version than 5.0,6.0,8.0,and avoid the version 5.0,6.0,8.0; Upgrade fedoraproject fedora to a higher version than 33,and avoid the version 33