Red Hat Enterprise Linux 8 Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 8 must disable access to network bpf syscall from unprivileged processes.
<VulnDiscussion>It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 8 must restrict usage of ptrace to descendant processes.
<VulnDiscussion>It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 8 must restrict exposed kernel pointer addresses access.
<VulnDiscussion>It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 8 must disable the use of user namespaces.
<VulnDiscussion>It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 8 must use reverse path filtering on all IPv4 interfaces.
<VulnDiscussion>It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 8 must be configured to prevent unrestricted mail relaying.
<VulnDiscussion>If unrestricted mail relaying is permitted, unauthorized senders could use this host as a mail relay for the purpose of sendi...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The RHEL 8 file integrity tool must be configured to verify extended attributes.
<VulnDiscussion>Extended attributes in file systems are used to contain arbitrary data and file metadata with security implications. RHEL 8 ...Rule Low Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The RHEL 8 file integrity tool must be configured to verify Access Control Lists (ACLs).
<VulnDiscussion>ACLs can provide permissions beyond those permitted through the file mode and must be verified by file integrity tools. RHEL...Rule Low Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The graphical display manager must not be installed on RHEL 8 unless approved.
<VulnDiscussion>Internet services that are not required for system or application processes must not be active to decrease the attack surface...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 8 network interfaces must not be in promiscuous mode.
<VulnDiscussion>Network interfaces in promiscuous mode allow for the capture of all network traffic visible to the system. If unauthorized in...Rule Medium Severity
Node 2
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