cve-2020-8341
Vulnerability from cvelistv5
Published
2020-09-01 21:30
Modified
2024-09-16 23:16
Severity ?
Summary
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 ThinkPad systems, the PRx is not set. This does not impact the SMM BIOS Write Protection, which keeps systems protected.
References
psirt@lenovo.comhttps://support.lenovo.com/us/en/product_security/LEN-30042Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.lenovo.com/us/en/product_security/LEN-30042Vendor Advisory
Impacted products
Vendor Product Version
Show details on NVD website

To clipboard 

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  }
}


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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.