Input Validation Flaw in BIOS of Lenovo ThinkPad Models
CVE-2022-48189

6.7MEDIUM

Key Information:

Vendor

Lenovo
Status
Thinkpad BiOS
Vendor
CVE Published:
30 October 2023

What is CVE-2022-48189?

An input validation flaw in the System Management Mode (SMM) driver within the BIOS of specific Lenovo ThinkPad models allows a local attacker with elevated privileges to execute arbitrary code. This vulnerability poses a risk to system integrity and could lead to unauthorized access or manipulation of system resources.

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Affected Version(s)

ThinkPad BIOS various

References

https://support.lenovo.com/us/en/product_security/LEN-106014

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 Yngweijw for reporting this issue.
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