A compromised or malicious ABL or UApp could send a SHA256 system call to the bootloader, which may result in exposure of ASP memory to userspace, potentially leading to information disclosure.
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001
Source: Mitre, NVD
Published: 2023-05-09
Updated: 2026-06-17
Base Score: 4.6
Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:N/A:N
Severity: Medium
Base Score: 5.5
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS: 0.00061