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XCCDF
Red Hat Enterprise Linux 9 Security Technical Implementation Guide
SRG-OS-000368-GPOS-00154
RHEL 9 must mount /var with the nodev option.
RHEL 9 must mount /var with the nodev option.
An XCCDF Rule
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RHEL 9 must mount /var with the nodev option.
Medium Severity
<VulnDiscussion>The "nodev" mount option causes the system to not interpret character or block special devices. Executing character or block special devices from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access. The only legitimate location for device files is the "/dev" directory located on the root partition, with the exception of chroot jails if implemented.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>