A buffer overflow was reported in the LemSecureBootForceKey module in some Lenovo Desktop products that may allow a local attacker with elevated privileges to execute arbitrary code.

A buffer overflow in the WMI SMI Handler in some Lenovo models may allow an attacker with local access and elevated privileges to execute arbitrary code.

An information leak vulnerability in SMI Handler used to configure platform settings over WMI in some Lenovo models may allow an attacker with local access and elevated privileges to read SMM memory.

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.

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.

Reflected XSS in web interface for Intel(R) Accelerated Storage Manager in Intel(R) RSTe before version 5.5.0.2015 may allow an unauthenticated user to potentially enable denial of service via network access.

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.

Improper permissions in the installer for Intel(R) Accelerated Storage Manager in Intel(R) RSTe before version 5.5.0.2015 may allow an authenticated user to potentially enable escalation of privilege via local access. L-SA-00206