There is no fixed version for Centos:8 kernel-rt-kvm .

github.com/docker/.../docker vulnerabilities

Direct Vulnerabilities

Known vulnerabilities in the github.com/docker/docker package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability	Vulnerable Version
H Denial of Service (DoS)	>=1.12.0 <20.10.24>=23.0.0 <23.0.3
M Unprotected Alternate Channel	>=1.12.0 <20.10.24>=23.0.0 <23.0.3
M Missing Encryption of Sensitive Data	>=1.12.0 <20.10.24>=23.0.0 <23.0.3
H Symlink Attack	<1.6.1
H Information Exposure	>=1.6.0 <1.6.1
M Arbitrary File Override	<1.6.1
H Arbitrary File Write	>=1.6.0 <1.6.1
C Arbitrary Code Execution	<1.3.3
M Directory Traversal	<1.3.2
M Directory Traversal	<1.3.3
H Arbitrary Code Execution	<1.3.2
M Access Restriction Bypass	>=1.3.0 <1.3.2
M Man-in-the-Middle (MitM)	<1.3.1
H Privilege Escalation	<1.0.1