CVE-2023-31356
"AMD SEV Firmware Memory Corruption Vulnerability"
Description
Incomplete system memory cleanup in SEV firmware could allow a privileged attacker to corrupt guest private memory, potentially resulting in a loss of data integrity.
INFO
Published Date :
Aug. 13, 2024, 5:15 p.m.
Last Modified :
June 17, 2026, 5:56 a.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the affected packages.
- Update the amd64-microcode package.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2023-31356.
| URL | Resource |
|---|---|
| https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html | |
| https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5004.html |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-31356 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2023-31356
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-31356 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-31356 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'AMD', 'product': 'AMD EPYC™ 7003 Processors', 'versions': [{'status': 'unaffected', 'version': 'MilanPI 1.0.0.C', 'versionType': 'PI'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD EPYC™ 9004 Processors', 'versions': [{'status': 'unaffected', 'version': 'GenoaPI 1.0.0.B'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD EPYC™ Embedded 7003', 'versions': [{'status': 'unaffected', 'version': '"EmbMilanPI-SP3 1.0.0.8"'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD EPYC™ Embedded 9004', 'versions': [{'status': 'unaffected', 'version': 'EmbGenoaPI-SP5 1.0.0.6'}], 'defaultStatus': 'affected'}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2023-31356', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2024-08-14T15:46:30.501050Z'} -
CVE Modified by [email protected]
Feb. 11, 2025
Action Type Old Value New Value Added CWE CWE-459 Added Reference https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5004.html -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 30, 2024
Action Type Old Value New Value Added CWE CISA-ADP CWE-459 -
CVE Received by [email protected]
Aug. 13, 2024
Action Type Old Value New Value Added Description Incomplete system memory cleanup in SEV firmware could allow a privileged attacker to corrupt guest private memory, potentially resulting in a loss of data integrity. Added Reference Advanced Micro Devices Inc. https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html [No types assigned] Added CVSS V3.1 Advanced Micro Devices Inc. AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N