CVE-2023-31315
Not scored
CVE-2023-31315
Improper validation in a model specific register (MSR) could allow a malicious program with ring0 access to modify SMM configuration while SMI lock is enabled, potentially leading to arbitrary code execution.
Exploit probability
0.6%
Published
August 12, 2024
Required by
Not available
Last source change
July 10, 2026
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2023-31315
View original source
Improper validation in a model specific register (MSR) could allow a malicious program with ring0 access to modify SMM configuration while SMI lock is enabled, potentially leading to arbitrary code execution.
05 / REFERENCES
Further evidence
- https://media.defcon.org/DEF%20CON%2032/DEF%20CON%2032%20presentations/DEF%20CON%2032%20-%20Enrique%20Nissim%20Krzysztof%20Okupski%20-%20AMD%20Sinkclose%20Universal%20Ring-2%20Privilege%20Escalation.pdf
- https://news.ycombinator.com/item?id=41475975
- https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7014.html
- https://www.darkreading.com/remote-workforce/amd-issues-updates-for-silicon-level-sinkclose-flaw