Red Hat Enterprise Linux 9 Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-OS-000095-GPOS-00049
<GroupDescription></GroupDescription>Group -
RHEL 9 must disable the Stream Control Transmission Protocol (SCTP) kernel module.
<VulnDiscussion>It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...Rule Medium Severity -
SRG-OS-000095-GPOS-00049
<GroupDescription></GroupDescription>Group -
RHEL 9 must disable the Transparent Inter Process Communication (TIPC) kernel module.
<VulnDiscussion>It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...Rule Medium Severity -
SRG-OS-000433-GPOS-00193
<GroupDescription></GroupDescription>Group -
RHEL 9 must implement address space layout randomization (ASLR) to protect its memory from unauthorized code execution.
<VulnDiscussion>Address space layout randomization (ASLR) makes it more difficult for an attacker to predict the location of attack code they...Rule Medium Severity -
SRG-OS-000132-GPOS-00067
<GroupDescription></GroupDescription>Group -
RHEL 9 must disable access to network bpf system call from nonprivileged processes.
<VulnDiscussion>Loading and accessing the packet filters programs and maps using the bpf() system call has the potential of revealing sensiti...Rule Medium Severity -
SRG-OS-000132-GPOS-00067
<GroupDescription></GroupDescription>Group -
RHEL 9 must restrict usage of ptrace to descendant processes.
<VulnDiscussion>Unrestricted usage of ptrace allows compromised binaries to run ptrace on other processes of the user. Like this, the attacke...Rule Medium Severity
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