CVE-2023-31315
HIGHCVSS 7.5/10EPSS 0.62%
Last modified
CVE-2023-31315 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.62% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is 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.
How severe is CVE-2023-31315?
CVE-2023-31315 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.
How do I fix CVE-2023-31315?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2023-31315?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST