Canonical Ubuntu 22.04 LTS Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-OS-000480-GPOS-00227
Group -
Ubuntu 22.04 LTS must disable the x86 Ctrl-Alt-Delete key sequence.
A locally logged-on user who presses Ctrl-Alt-Delete, when at the console, can reboot the system. If accidentally pressed, as could happen in the case of a mixed OS environment, this can create the...Rule High Severity -
SRG-OS-000080-GPOS-00048
Group -
SRG-OS-000254-GPOS-00095
Group -
Ubuntu 22.04 LTS must initiate session audits at system startup.
If auditing is enabled late in the startup process, the actions of some startup processes may not be audited. Some audit systems also maintain state information only available if auditing is enable...Rule Medium Severity -
SRG-OS-000138-GPOS-00069
Group -
Ubuntu 22.04 LTS must restrict access to the kernel message buffer.
Restricting access to the kernel message buffer limits access only to root. This prevents attackers from gaining additional system information as a nonprivileged user.Rule Low Severity -
SRG-OS-000184-GPOS-00078
Group -
Ubuntu 22.04 LTS must disable kernel core dumps so that it can fail to a secure state if system initialization fails, shutdown fails or aborts fail.
Kernel core dumps may contain the full contents of system memory at the time of the crash. Kernel core dumps may consume a considerable amount of disk space and may result in denial of service by e...Rule Medium Severity -
SRG-OS-000433-GPOS-00193
Group
Node 2
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