Oracle Linux 8 Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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OL 8 must enable kernel parameters to enforce Discretionary Access Control (DAC) on symlinks.
<VulnDiscussion>DAC is based on the notion that individual users are "owners" of objects and therefore have discretion over who should be aut...Rule Medium Severity -
SRG-OS-000312-GPOS-00122
<GroupDescription></GroupDescription>Group -
OL 8 must enable kernel parameters to enforce Discretionary Access Control (DAC) on hardlinks.
<VulnDiscussion>DAC is based on the notion that individual users are "owners" of objects and therefore have discretion over who should be aut...Rule Medium Severity -
SRG-OS-000138-GPOS-00069
<GroupDescription></GroupDescription>Group -
OL 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 -
OL 8 must prevent kernel profiling by unprivileged users.
<VulnDiscussion>Preventing unauthorized information transfers mitigates the risk of information, including encrypted representations of infor...Rule Low Severity -
SRG-OS-000373-GPOS-00156
<GroupDescription></GroupDescription>Group -
OL 8 must require users to provide a password for privilege escalation.
<VulnDiscussion>Without reauthentication, users may access resources or perform tasks for which they do not have authorization. When operati...Rule Medium Severity -
SRG-OS-000373-GPOS-00156
<GroupDescription></GroupDescription>Group -
OL 8 must require users to reauthenticate for privilege escalation and changing roles.
<VulnDiscussion>Without reauthentication, users may access resources or perform tasks for which they do not have authorization. When operati...Rule Medium Severity -
OL 8 must have the package required for multifactor authentication installed.
<VulnDiscussion>Using an authentication device, such as a DoD Common Access Card (CAC) or token that is separate from the information system,...Rule Low Severity -
SRG-OS-000375-GPOS-00160
<GroupDescription></GroupDescription>Group -
OL 8 must implement certificate status checking for multifactor authentication.
<VulnDiscussion>Using an authentication device, such as a DoD Common Access Card (CAC) or token that is separate from the information system,...Rule Medium Severity -
SRG-OS-000376-GPOS-00161
<GroupDescription></GroupDescription>Group -
OL 8 must accept Personal Identity Verification (PIV) credentials.
<VulnDiscussion>The use of PIV credentials facilitates standardization and reduces the risk of unauthorized access. The DoD has mandated t...Rule Medium Severity -
SRG-OS-000433-GPOS-00192
<GroupDescription></GroupDescription>Group -
OL 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 -
OL 8 must clear the page allocator to prevent use-after-free attacks.
<VulnDiscussion>Adversaries may launch attacks with the intent of executing code in non-executable regions of memory or in memory locations t...Rule Medium Severity
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