Red Hat Enterprise Linux 8 Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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RHEL 8 library files must be group-owned by root or a system account.
<VulnDiscussion>If RHEL 8 were to allow any user to make changes to software libraries, then those changes might be implemented without under...Rule Medium Severity -
SRG-OS-000363-GPOS-00150
<GroupDescription></GroupDescription>Group -
The RHEL 8 file integrity tool must notify the system administrator when changes to the baseline configuration or anomalies in the operation of any security functions are discovered within an organizationally defined frequency.
<VulnDiscussion>Unauthorized changes to the baseline configuration could make the system vulnerable to various attacks or allow unauthorized ...Rule Medium Severity -
SRG-OS-000366-GPOS-00153
<GroupDescription></GroupDescription>Group -
RHEL 8 must prevent the installation of software, patches, service packs, device drivers, or operating system components from a repository without verification they have been digitally signed using a certificate that is issued by a Certificate Authority (CA) that is recognized and approved by the organization.
<VulnDiscussion>Changes to any software components can have significant effects on the overall security of the operating system. This require...Rule High Severity -
SRG-OS-000366-GPOS-00153
<GroupDescription></GroupDescription>Group -
RHEL 8 must prevent code from being executed on file systems that are used with removable media.
<VulnDiscussion>The "noexec" mount option causes the system not to execute binary files. This option must be used for mounting any file syste...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 8 must prevent the installation of software, patches, service packs, device drivers, or operating system components of local packages without verification they have been digitally signed using a certificate that is issued by a Certificate Authority (CA) that is recognized and approved by the organization.
<VulnDiscussion>Changes to any software components can have significant effects on the overall security of the operating system. This require...Rule High Severity -
SRG-OS-000366-GPOS-00153
<GroupDescription></GroupDescription>Group -
RHEL 8 must prevent the loading of a new kernel for later execution.
<VulnDiscussion>Changes to any software components can have significant effects on the overall security of the operating system. This require...Rule Medium Severity -
SRG-OS-000312-GPOS-00122
<GroupDescription></GroupDescription>Group -
RHEL 8 must enable kernel parameters to enforce discretionary access control on symlinks.
<VulnDiscussion>Discretionary Access Control (DAC) is based on the notion that individual users are "owners" of objects and therefore have di...Rule Medium Severity -
SRG-OS-000312-GPOS-00122
<GroupDescription></GroupDescription>Group -
RHEL 8 must enable kernel parameters to enforce discretionary access control on hardlinks.
<VulnDiscussion>Discretionary Access Control (DAC) is based on the notion that individual users are "owners" of objects and therefore have di...Rule Medium Severity -
SRG-OS-000138-GPOS-00069
<GroupDescription></GroupDescription>Group -
RHEL 8 must restrict access to the kernel message buffer.
<VulnDiscussion>Preventing unauthorized information transfers mitigates the risk of information, including encrypted representations of infor...Rule Low Severity -
SRG-OS-000138-GPOS-00069
<GroupDescription></GroupDescription>Group -
RHEL 8 must implement non-executable data to protect its memory from unauthorized code execution.
<VulnDiscussion>Some adversaries launch attacks with the intent of executing code in non-executable regions of memory or in memory locations ...Rule Medium Severity -
SRG-OS-000134-GPOS-00068
<GroupDescription></GroupDescription>Group
Node 2
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