What is CVE-2022-23813?

CVE-2022-23813 is a medium-severity vulnerability in AMD 2nd Gen Epyc, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2023-01-11.

How severe is CVE-2022-23813?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Buffer overflow in AMD 2nd Gen Epyc

CVE-2022-23813

The software interfaces to ASP and SMU may not enforce the SNP memory security policy resulting in a potential loss of integrity of guest memory in a confidential compute environment.

Vulnerability class: Buffer Overflow

Published 2023-01-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (44.1th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2022-23813?: CVE-2022-23813 is a medium-severity vulnerability in AMD 2nd Gen Epyc, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2023-01-11.
How severe is CVE-2022-23813?: Medium severity. CVSS v3 base score is 5.3 out of 10.