Unrated severityNVD Advisory· Published Oct 4, 2023· Updated Feb 13, 2025

arm64 boot CPUs may lack speculative execution protections

CVE-2023-5370

Description

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

FreeBSD/FreeBSDllm-fuzzy2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: 13.2-RELEASE

Patches

Vulnerability mechanics

References

security.freebsd.org/advisories/FreeBSD-SA-23:14.smccc.ascmitrevendor-advisory
security.netapp.com/advisory/ntap-20231124-0005/mitre

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