VYPR
← All advisories
High severity7.1NVD Advisory· Published May 10, 2022· Updated Jun 17, 2026

CVE-2021-26370

CVE-2021-26370

Description

Improper validation of destination address in SVC_LOAD_FW_IMAGE_BY_INSTANCE and SVC_LOAD_BINARY_BY_ATTRIB in a malicious UApp or ABL may allow an attacker to overwrite arbitrary bootloader memory with SPI ROM contents resulting in a loss of integrity and availability.

Affected products

3
  • AMD/AMD Secure Loaderllm-create
  • AMD/2nd Gen AMD EPYC™v5
    Range: unspecified
  • AMD/3rd Gen AMD EPYC™v5
    Range: unspecified

Patches

Vulnerability mechanics

References

1

News mentions

0

No linked articles in our index yet.