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RHEL 8 must prevent files with the setuid and setgid bit set from being executed on file systems that contain user home directories.

An XCCDF Rule

Description

<VulnDiscussion>The "nosuid" mount option causes the system not to execute "setuid" and "setgid" files with owner privileges. This option must be used for mounting any file system not containing approved "setuid" and "setguid" files. Executing files from untrusted file systems increases the opportunity for unprivileged users to attain unauthorized administrative access.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>

ID
SV-230299r1017109_rule
Severity
Medium
References
Updated



Remediation - Manual Procedure

Configure the "/etc/fstab" to use the "nosuid" option on file systems that contain user home directories for interactive users.