CVE-2021-46792

State
Published
Severity
5.9 Medium
Published
May 9, 2023
Updated
Jan 28, 2025
Reserved
May 4, 2022

Read the record on cve.org

Description

Time-of-check Time-of-use (TOCTOU) in the BIOS2PSP command may allow an attacker with a malicious BIOS to create a race condition causing the ASP bootloader to perform out-of-bounds SRAM reads upon an S3 resume event potentially leading to a denial of service.

Scores

CVSSScoreVectorSource
3.15.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HCISA-ADP

Weaknesses

  • CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

Affected Products

ProductVersions
Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4AMD
  • various Affected
Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4AMD
  • Various Affected
Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” ULPAMD
  • various Affected
Ryzen™ 2000 Series Mobile Processors “Raven Ridge” FP5AMD
  • various Affected
Ryzen™ 3000 Series Mobile processor, 2nd Gen AMD Ryzen™ Mobile Processors with Radeon™ Graphics “Picasso”AMD
  • various Affected
Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Renoir”AMD
  • various Affected
Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne”AMD
  • various Affected
Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne”AMD
  • various Affected

References

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