CVE-2023-5342: Red Hat Enterprise Linux 10

Medium severity, CVSS 4.1. EPSS: 0.1% chance of exploitation in the next 30 days.

The Fedora Secure Boot CA certificate shipped with shim in Fedora was expired which could lead to old or invalid signed boot components being loaded.

Affected products

• Red Hat Red Hat Enterprise Linux 10
• Red Hat Red Hat Enterprise Linux 7
• Red Hat Red Hat Enterprise Linux 8
• Red Hat Red Hat Enterprise Linux 9

Published 2025-08-14. Last modified 2026-06-17.