High [CVE-2026-30892] Privilege escalation due to incorrect parsing of the `--user` option
This high-severity Red Hat Linux advisory covers CVE-2026-30892 affecting Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 1, crun.
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Summary
Privilege escalation due to incorrect parsing of the `--user` option. Red Hat rates this moderate (CVSS 7.8).
Weakness: CWE-115. Affected package(s): crun.
Resolved in Red Hat advisory RHSA-2026:28036 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1.
- crun-0:1.27-1.el9_6
- crun-0:1.27-1.el10_1
- crun-0:1.27-2.el10_2
- crun-0:1.27-1.el9_7
- crun-0:1.27-1.el9_8
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:28036
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:28036 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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