https://www.cnblogs.com/yeungchie/
CVE-2021-4034
查看 polkit
rpm -qa polkit
更新 polkit
yum -y update polkit
- CentOS
- 6:polkit-0.96-11.el6_10.2
- 7:polkit-0.112-26.el7_9.1
- 8.0:polkit-0.115-13.el8_5.1
- 8.2:polkit-0.115-11.el8_2.2
- 8.4:polkit-0.115-11.el8_4.2