Vulnerability Description
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.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Related Weaknesses (CWE)
References
- https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7014.html
- https://media.defcon.org/DEF%20CON%2032/DEF%20CON%2032%20presentations/DEF%20CON
- https://news.ycombinator.com/item?id=41475975
- https://www.darkreading.com/remote-workforce/amd-issues-updates-for-silicon-leve
FAQ
What is CVE-2023-31315?
CVE-2023-31315 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ex...
How severe is CVE-2023-31315?
CVE-2023-31315 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-31315?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.