What is CVE-2023-5370?

CVE-2023-5370 is a medium-severity vulnerability in Freebsd, classified under Improper Initialization. CVSS score: 5.5/10. Published 2023-10-04.

How severe is CVE-2023-5370?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2023-5370 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Freebsd

CVE-2023-5370

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.

Vulnerability class: Dirty Pipe (CVE-2022-0847)

EPSS: 0.002 (9.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Freebsd — versions 13.2, 13.2-RELEASE

Weakness classification (CWE)

CWE-665 — Improper Initialization

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

secteam@freebsd.org (vendor-advisory, Vendor Advisory)
secteam@freebsd.org

Frequently asked questions

What is CVE-2023-5370?: CVE-2023-5370 is a medium-severity vulnerability in Freebsd, classified under Improper Initialization. CVSS score: 5.5/10. Published 2023-10-04.
How severe is CVE-2023-5370?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2023-5370 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.