CVE:CVE-2021-20316
CNNVD:CNNVD-202201-690
Red Hat Enterprise Linux是美国红帽（Red Hat）公司的面向企业用户的Linux操作系统
Red Hat Enterprise Linux存在安全漏洞，该漏洞源于samba:符号链接竞争错误可以允许在导出的共享之外读取和修改元数据。
solution:Upgrade samba samba to a higher version than 4.15.0,and avoid the version (,4.15.0); Upgrade debian debian_linux to a higher version than 10.0,11.0,and avoid the version 10.0,11.0; Upgrade redhat virtualization_host to a higher version than 4.0,and avoid the version 4.0; Upgrade redhat enterprise_linux to a higher version than 8.0,and avoid the version 8.0; Upgrade redhat enterprise_linux_aus to a higher version than 8.6,and avoid the version 8.6; Upgrade redhat enterprise_linux_eus to a higher version than 8.6,and avoid the version 8.6; Upgrade redhat enterprise_linux_tus to a higher version than 8.6,and avoid the version 8.6