CVE-2025-0040 PUBLISHED

Assigner: AMD
Reserved: 21.11.2024 Published: 15.05.2026 Updated: 15.05.2026

Improper access control between the Joint Test Action Group (JTAG) and Advanced Extensible Interface (AXI) could allow an attacker with physical access to read or overwrite the contents of cross-chip debug (XCD) registers potentially resulting in loss of data integrity or confidentiality.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Physical	Confidentiality	High	Confidentiality	None
Attack Complexity	High	Integrity	High	Integrity	None
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	AMD
Product	AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics
Versions	Default: affected Version PhoenixPI-FP8-FP7_1.2.0.B is unaffected

Vendor	AMD
Product	AMD Ryzen™ 8000 Series Desktop Processors
Versions	Default: affected Version ComboAM5PI 1.2.0.3d is unaffected Version ComboAM5PI 1.1.0.3d is unaffected

Vendor	AMD
Product	AMD Ryzen™ 8040 Series Mobile Processors with Radeon™ Graphics
Versions	Default: affected Version PhoenixPI-FP8-FP7_1.2.0.B is unaffected

Vendor	AMD
Product	AMD Ryzen™ Embedded 8000 Series Processors
Versions	Default: affected Version EmbeddedPhoenixPI-FP7r2_1.0.0.2 is unaffected

References

Problem Types

CWE-284 Improper Access Control CWE