EUVD-2019-15723

Malware in sbrugna...

CVE-2020-8341: Undefined Security Weakness

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. After resuming from S3 sleep mode in various versions of BIOS for some Lenovo ThinkPa...

CVE-2019-6156: Improper Locking

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 BIO...

SPI Protected Range Registers Affected by S3 Sleep Mode - Lenovo Support US

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