DISA STIG for Oracle Linux 8
Rules and Groups employed by this XCCDF Profile
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Restrict Programs from Dangerous Execution Patterns
The recommendations in this section are designed to ensure that the system's features to protect against potentially dangerous program execution ar...Group -
Disable the uvcvideo module
If the device contains a camera it should be covered or disabled when not in use.Rule Medium Severity -
Disable storing core dumps
To set the runtime status of the <code>kernel.core_pattern</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w kernel.core_pa...Rule Medium Severity -
Restrict Access to Kernel Message Buffer
To set the runtime status of the <code>kernel.dmesg_restrict</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w kernel.dmesg...Rule Low Severity -
Disable Kernel Image Loading
To set the runtime status of the <code>kernel.kexec_load_disabled</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w kernel....Rule Medium Severity -
Disallow kernel profiling by unprivileged users
To set the runtime status of the <code>kernel.perf_event_paranoid</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w kernel....Rule Low Severity -
Disable Access to Network bpf() Syscall From Unprivileged Processes
To set the runtime status of the <code>kernel.unprivileged_bpf_disabled</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w k...Rule Medium Severity -
Restrict usage of ptrace to descendant processes
To set the runtime status of the <code>kernel.yama.ptrace_scope</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w kernel.ya...Rule Medium Severity -
Harden the operation of the BPF just-in-time compiler
To set the runtime status of the <code>net.core.bpf_jit_harden</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w net.core.b...Rule Medium Severity -
Disable the use of user namespaces
To set the runtime status of the <code>user.max_user_namespaces</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w user.max_...Rule Medium Severity -
Disable Core Dumps
A core dump file is the memory image of an executable program when it was terminated by the operating system due to errant behavior. In most cases,...Group -
Disable acquiring, saving, and processing core dumps
The <code>systemd-coredump.socket</code> unit is a socket activation of the <code>systemd-coredump@.service</code> which processes core dumps. By m...Rule Medium Severity -
Disable core dump backtraces
The <code>ProcessSizeMax</code> option in <code>[Coredump]</code> section of <code>/etc/systemd/coredump.conf</code> specifies the maximum size in ...Rule Medium Severity -
Disable storing core dump
The <code>Storage</code> option in <code>[Coredump]</code> sectionof <code>/etc/systemd/coredump.conf</code> can be set to <code>none</code> to dis...Rule Medium Severity -
Disable Core Dumps for All Users
To disable core dumps for all users, add the following line to <code>/etc/security/limits.conf</code>, or to a file within the <code>/etc/security/...Rule Medium Severity -
Enable ExecShield
ExecShield describes kernel features that provide protection against exploitation of memory corruption errors such as buffer overflows. These featu...Group -
Restrict Exposed Kernel Pointer Addresses Access
To set the runtime status of the <code>kernel.kptr_restrict</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w kernel.kptr_r...Rule Medium Severity -
Enable Randomized Layout of Virtual Address Space
To set the runtime status of the <code>kernel.randomize_va_space</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w kernel.r...Rule Medium Severity -
Enable Execute Disable (XD) or No Execute (NX) Support on x86 Systems
Recent processors in the x86 family support the ability to prevent code execution on a per memory page basis. Generically and on AMD processors, th...Group -
Enable NX or XD Support in the BIOS
Reboot the system and enter the BIOS or Setup configuration menu. Navigate the BIOS configuration menu and make sure that the option is enabled. Th...Rule Medium Severity
Node 2
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