🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026
Affected versions: RHEL 10.0 RHEL 10.1

📖 ~1 min read

Table of contents
  1. Symptom & Impact
  2. Environment & Reproduction
  3. Root Cause Analysis
  4. Quick Triage
  5. Step-by-Step Diagnosis
  6. Solution – Primary Fix
  7. Solution – Alternative Approaches
  8. Verification & Acceptance Criteria
  9. Rollback Plan
  10. Prevention & Hardening
  11. Related Errors & Cross-Refs
  12. References & Further Reading

Symptom & Impact

Operational jobs fail because trusted internal executables are denied at runtime.

Environment & Reproduction

Appears after policy reload when new binaries are deployed outside trusted paths.

/opt/tools/myjob
systemctl status fapolicyd

Root Cause Analysis

fapolicyd trust database lacks updated file hashes or path rules for deployed binaries.

Quick Triage

Review denial events, daemon status, and SELinux interaction.

systemctl status fapolicyd
journalctl -u fapolicyd -n 80 --no-pager
getenforce
firewall-cmd --state
dnf list installed fapolicyd

Step-by-Step Diagnosis

Identify denied binary metadata and current trustdb entries.

fapolicyd-cli --list
sha256sum /opt/tools/myjob
journalctl -u fapolicyd --since '-30 min' --no-pager
Illustrative mockup for rhel-10 — fapolicyd_blocking_binary
fapolicyd denies internal binary execution — Illustrative mockup — Progressive Robot

Solution – Primary Fix

Add binary to trust DB and reload policy safely.

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sudo fapolicyd-cli --file add /opt/tools/myjob --trust-file myjob
sudo fapolicyd-cli --update
sudo systemctl restart fapolicyd
Illustrative mockup for rhel-10 — fapolicyd_allow_rule_added
Policy trust updated for internal binaries — Illustrative mockup — Progressive Robot

Solution – Alternative Approaches

Install signed RPM package for internal tools to use rpmdb trust path.

sudo dnf install /tmp/myjob-1.0.0-1.el10.x86_64.rpm -y

Verification & Acceptance Criteria

Binary executes successfully and no fresh deny events appear.

/opt/tools/myjob --version
journalctl -u fapolicyd -n 40 --no-pager

Rollback Plan

Remove trust entry and reload policy if rule broadness is unacceptable.

sudo fapolicyd-cli --file delete /opt/tools/myjob
sudo fapolicyd-cli --update
sudo systemctl restart fapolicyd

Prevention & Hardening

Integrate artifact signing and trust updates into release pipeline.

rpm -Kv /tmp/myjob-1.0.0-1.el10.x86_64.rpm

Related to noexec mount options and SELinux execute denial overlap.

Related tutorial: View the step-by-step tutorial for rhel-10.

View all rhel-10 tutorials on the Tutorials Hub →

Browse all common problems & solutions on the Tutorials Hub.

References & Further Reading

fapolicyd trust model and Red Hat executable control documentation.

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