CVE-2023-5370

MEDIUM

FreeBSD - Improper Initialization on CPU 0

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 5.5
EPSS 0.0014
EPSS Percentile 33.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-665
Status published
Products (1)
freebsd/freebsd 13.2
Published Oct 04, 2023
Tracked Since Feb 18, 2026