CVE-2023-20521

TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM records after memory content verification, potentially leading to loss of confidentiality or a denial of service...

Denial of service

TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM records after memory content verification, potentially leading to loss of confidentiality or a denial of service...

CVE-2023-20521

CVE-2023-20521 describes a TOCTOU flaw in the AMD ASP Bootloader that could let an attacker with physical access tamper SPI ROM records after memory verification, risking confidentiality loss and potential DoS. Connected sources (SUSE kernel-firmware updates and AMD/SUSe advisories) confirm this ...