Bug 2022763

Summary: Secure_mode boolean allows staff SELinux user switch to unconfined
Product: Red Hat Enterprise Linux 8 Reporter: Amogh Kulkarni <amkulkar>
Component: selinux-policyAssignee: Zdenek Pytela <zpytela>
Status: CLOSED MIGRATED QA Contact: Milos Malik <mmalik>
Severity: medium Docs Contact:
Priority: high    
Version: 8.5CC: lvrabec, mjahoda, mmalik, pkoncity, plautrba, rmetrich, wdh, zpytela
Target Milestone: rcKeywords: MigratedToJIRA, Triaged
Target Release: 8.10   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: 1947841 Environment:
Last Closed: 2023-08-17 13:47:31 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1947841, 2076681    
Bug Blocks: 1778780, 2021529    

Comment 2 Zdenek Pytela 2021-11-19 12:17:23 UTC 
It seems the reason is the role change was allowed unconditionally:

optional_policy(`
	unconfined_role_change(staff_r)
')

I've submitted a Fedora PR to address the issue:
https://github.com/fedora-selinux/selinux-policy/pull/948