CVE-2019-6156

LowCVSS 3.3/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.0 3.3/10CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-667

Affected software

No affected versions have been published.

Timeline

Published: Apr 10, 2019
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2019

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