{"description": "The Ubuntu 22.04 operating system must have vlock installed to allow for session locking.\n\n\nThe <code>vlock</code> package can be installed with the following command:\n<pre>\n$ apt-get install vlock</pre>", "rationale": "A session lock is a temporary action taken when a user stops work and\nmoves away from the immediate physical vicinity of the information\nsystem but does not want to log out because of the temporary nature of\nthe absence.\n\nThe session lock is implemented at the point where session activity can\nbe determined.\n\nRegardless of where the session lock is determined and implemented,\nonce invoked, the session lock must remain in place until the user\nreauthenticates. No other activity aside from reauthentication must\nunlock the system.", "severity": "medium", "references": {"srg": ["SRG-OS-000028-GPOS-00009", "SRG-OS-000030-GPOS-00011"], "stigid": ["UBTU-22-412025"], "stigref": ["SV-260553r1015010_rule"]}, "control_references": {"stigid": ["UBTU-22-412025"]}, "components": [], "identifiers": {}, "ocil_clause": "the package is not installed", "ocil": "\n\nRun the following command to determine if the <code>vlock</code> package is installed:\n<pre>$ dpkg -l  vlock</pre>", "oval_external_content": null, "fixtext": "", "checktext": "", "vuldiscussion": "", "srg_requirement": "", "warnings": [], "conflicts": [], "requires": [], "policy_specific_content": {}, "platform": null, "platforms": [], "sce_metadata": {}, "inherited_platforms": ["system_with_kernel"], "cpe_platform_names": [], "inherited_cpe_platform_names": ["system_with_kernel"], "bash_conditional": null, "fixes": {}, "title": "Check that vlock is installed to allow session locking", "definition_location": "/aptdata/openscap/scap-security-guide/linux_os/guide/system/accounts/accounts-physical/screen_locking/console_screen_locking/vlock_installed/rule.yml", "template": {"name": "package_installed", "vars": {"pkgname": "vlock"}, "backends": {}}}