Privilege escalation due to failure in privilege drop calls
Summary
Privilege escalation due to failure in privilege drop calls. Red Hat rates this important (CVSS 7.4). Weakness: CWE-272. Affected package(s): rhcos, sudo, rhui5/rhua-rhel9:1779798222, rhaiis/vllm-rocm-rhel9:1782353093, rhui5/installer-rhel9:1779798165. Resolved in Red Hat advisory RHSA-2026:20040 — update the affected packages (`sudo dnf update`).
- rhcos-412.86.202605271418-0
- sudo-0:1.9.15-10.p5.el10_1
- rhcos-415.92.202606030318-0
- sudo-0:1.9.17-4.p2.el10_2
- rhcos-413.92.202605271328-0
- rhcos-414.92.202606231112-0
- sudo-0:1.9.5p2-1.el8_10.5
- sudo-0:1.9.5p2-15.el9_7
- sudo-0:1.8.6p3-29.el6_10.8
- rhcos-416.94.202605200242-0
- rhui5/rhua-rhel9:1779798222
- sudo-0:1.9.5p2-10.el9_4.3
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
- RHSA-2026:20040
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:20040 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
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