Vulnerabilities
Vulnerable Software
A potential vulnerability in the SMI callback function used in the System Lock Preinstallation driver in some Lenovo Notebook and ThinkStation models may allow arbitrary code execution.
CVSS Score
6.4
EPSS Score
0.001
Published
2020-06-09
Lenovo was notified of a potential denial of service vulnerability, affecting various versions of BIOS for Lenovo Desktop, Desktop - All in One, and ThinkStation, that could cause PCRs to be cleared intermittently after resuming from sleep (S3) on systems with Intel TXT enabled.
CVSS Score
5.0
EPSS Score
0.001
Published
2020-02-14
Improper permissions in the installer for Intel(R) Turbo Boost Max Technology 3.0 driver version 1.0.0.1035 and before may allow an authenticated user to potentially enable escalation of privilege via local access.
CVSS Score
7.3
EPSS Score
0.001
Published
2019-06-13
In Lenovo systems, SMM BIOS Write Protection is used to prevent writes to SPI Flash. While this provides sufficient protection, an additional layer of protection is provided by SPI Protected Range Registers (PRx). Lenovo was notified that after resuming from S3 sleep mode in various versions of BIOS for Lenovo systems, the PRx is not set. This does not impact the SMM BIOS Write Protection, which keeps systems protected.
CVSS Score
3.3
EPSS Score
0.0
Published
2019-04-10
A vulnerability has been identified in some Lenovo products that use UEFI (BIOS) code developed by American Megatrends, Inc. (AMI). With this vulnerability, conditions exist where an attacker with administrative privileges or physical access to a system may be able to run specially crafted code that can allow them to bypass system protections such as Device Guard and Hyper-V.
CVSS Score
6.8
EPSS Score
0.001
Published
2017-08-10


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