On Ampere Altra and AltraMax devices before SRP 1.09, the Altra reference design of UEFI accesses allows insecure access to SPI-NOR by the OS/hypervisor component.
https://amperecomputing.com/products/security-bulletins/altra-spi-nor-smc.html
https://amperecomputing.com/products/security-bulletins/altra-spi-nor-smc-protection-for-ampere-website.html
https://amperecomputing.com
Source: Mitre, NVD
Published: 2022-07-01
Updated: 2026-06-17
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.00308