High7.1Red Hat & Ubuntu Linux
Missing Authorization Check Allows Unprivileged Users to Restore LUKS Headers via udisks D-Bus API
CVE-2026-26103 Published Feb 25, 2026
CVE-2026-26103
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Missing Authorization Check Allows Unprivileged Users to Restore LUKS Headers via udisks D-Bus API. Red Hat rates this important (CVSS 7.1). Weakness: CWE-862. Affected package(s): udisks2. Resolved in Red Hat advisory RHSA-2026:5831 — update the affected packages (`sudo dnf update`).
Affected versions
- udisks2-0:2.10.90-5.el10_0.2
- udisks2-0:2.10.90-6.el10_1.1
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Fixed versions
- RHSA-2026:5831
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:5831 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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