CVE-2023-5370

arm64 boot CPUs may lack speculative execution protections

View on CVE.org

Published Oct 4, 2023 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

FreeBSD

FreeBSD

unknown

Version	Status	Constraints
`13.2-RELEASE`	affected	< p4

Configuration 1 [-]

cpe:2.3:o:freebsd:freebsd:13.2:-:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2023-57686	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.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.201% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://security.FreeBSD.org/advisories/FreeBSD-SA-23:14.smccc.asc
https://security.netapp.com/advisory/ntap-20231124-0005/

History

Sep 19, 2024 8:30 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Freebsd Freebsd

Weaknesses

CWE-665

Sources

CVE record Updated: Feb 13, 2025, 5:20 PM

Status: PUBLISHED
Assigner: freebsd
Published: Oct 4, 2023, 3:59 AM
Updated: Feb 13, 2025, 5:20 PM
Reserved: Oct 3, 2023, 9:26 PM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 7:59 AM

Updated: Aug 2, 2024, 7:59 AM

NVD Updated: Jun 17, 2026, 6:48 AM

Status: Modified
Published: Oct 4, 2023, 4:15 AM
Modified: Jun 17, 2026, 6:48 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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