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BDVDB
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Vulnerabilities

CVE-2021-26356 | BDVDB-2026-201799 Detail

AMDRyzen™ 3000 Series Desktop Processors “Matisse” AM4

Description#

A TOCTOU in ASP bootloader may allow an attacker to tamper with the SPI ROM following data read to memory potentially resulting in S3 data corruption and information disclosure.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact none. Attack vector: network.

Weaknesses#

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

References#

Exploit#

No public exploit known

History#

  1. Version 1Record published in the CVE List.
  2. Version 2Most recent update recorded in the CVE List.