Memory Leakage Vulnerability in DustFilterAlertSmm Driver by Lenovo
CVE-2023-45078

6.7MEDIUM

Key Information:

Vendor
Lenovo
Status
BiOS
Vendor
CVE Published:
8 November 2023

Summary

A memory leakage vulnerability has been identified in the DustFilterAlertSmm SMM driver developed by Lenovo. This issue allows a local attacker with elevated privileges to exploit the vulnerability and write to NVRAM variables, which could lead to unauthorized access to sensitive information stored in memory. The potential for local privilege escalation makes this vulnerability a notable concern for system integrity and security.

Affected Version(s)

BIOS various

References

https://support.lenovo.com/us/en/product_security/LEN-141775

CVSS V3.1

Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Lenovo thanks Souhardya Sardar of Cyberstanc for reporting this issue.
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