CVE-2023-5370: Freebsd

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

On CPU 0 the check for the SMCCC workaround is called before SMCCC support has been initialized. This resulted in no speculative execution workarounds being installed on CPU 0.

Affected products

• Freebsd Freebsd: version 13.2 only

Published 2023-10-04. Last modified 2026-06-17.