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CVE PROGRAM SOURCE RECORD5.9 Medium

CVE-2021-46792

Time-of-check Time-of-use (TOCTOU) in the

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Status
Published
Published
Updated
Assigning organization
AMD

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

AMD Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4

Default version status: unaffected

  • various affected

AMD Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4

Default version status: unaffected

  • Various affected

AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” ULP

Default version status: unaffected

  • various affected

AMD Ryzen™ 2000 Series Mobile Processors “Raven Ridge” FP5

Default version status: unaffected

  • various affected

AMD Ryzen™ 3000 Series Mobile processor, 2nd Gen AMD Ryzen™ Mobile Processors with Radeon™ Graphics “Picasso”

Default version status: unaffected

  • various affected

AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Renoir”

Default version status: unaffected

  • various affected

AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne”

Default version status: unaffected

  • various affected

AMD Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne”

Default version status: unaffected

  • various affected

References