High8.4Red Hat & Ubuntu Linux
Privilege escalation or information disclosure via writes to higher exception level resources
CVE-2025-10263 Published Jun 9, 2026
CVE-2025-10263
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Privilege escalation or information disclosure via writes to higher exception level resources. Red Hat rates this important (CVSS 8.4). Weakness: CWE-266. Affected package(s): kernel. Resolved in Red Hat advisory RHSA-2026:34911 — update the affected packages (`sudo dnf update`).
Affected versions
- kernel-0:6.12.0-211.30.1.el10_2
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Fixed versions
- RHSA-2026:34911
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:34911 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
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