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Tri-Lab Operating System Stack (TOSS) 4 Security Technical Implementation Guide
SRG-OS-000468-GPOS-00212
Successful/unsuccessful uses of the "lremovexattr" system call in TOSS must generate an audit record.
Successful/unsuccessful uses of the "lremovexattr" system call in TOSS must generate an audit record.
An XCCDF Rule
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Successful/unsuccessful uses of the "lremovexattr" system call in TOSS must generate an audit record.
Medium Severity
<VulnDiscussion>Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one. Audit records can be generated from various components within the information system (e.g., module or policy filter). "Lremovexattr" is a system call that removes extended attributes. This is used for removal of extended attributes from symbolic links. When a user logs on, the AUID is set to the UID of the account that is being authenticated. Daemons are not user sessions and have the loginuid set to "-1." The AUID representation is an unsigned 32-bit integer, which equals "4294967295." The audit system interprets "-1", "4294967295", and "unset" in the same way.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>