CVE:CVE-2021-20320
CNNVD:CNNVD-202112-533
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，该漏洞允许具有特殊用户权限的本地攻击者绕过验证并可能导致机密性问题的错误。
solution:Upgrade linux linux_kernel to a higher version than 5.15,5.15,5.15:rc1,5.15:rc2,and avoid the version (,5.15),5.15,5.15:rc1,5.15:rc2; Upgrade fedoraproject fedora to a higher version than 34,and avoid the version 34; Upgrade redhat enterprise_linux to a higher version than 7.0,8.0,and avoid the version 7.0,8.0