CVE-2025-0040

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Summary

CVECVE-2025-0040
StatePUBLISHED
AssignerAMD
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-15 03:16:21 UTC
Updated2026-05-15 03:16:21 UTC
DescriptionImproper 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.

Risk And Classification

Primary CVSS: v4.0 5.3 MEDIUM from [email protected]

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-284 | CWE-284 CWE-284 Improper Access Control

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary5.3MEDIUMCVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS5.3MEDIUMCVSS: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 v4.0 Breakdown

Attack Vector
Physical
Attack Complexity
High
Attack Requirements
Present
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
None
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA AMD AMD Ryzen 7040 Series Mobile Processors With Radeon Graphics unaffected PhoenixPI-FP8-FP7_1.2.0.B Not specified
CNA AMD AMD Ryzen 8000 Series Desktop Processors unaffected ComboAM5PI 1.2.0.3d Not specified
CNA AMD AMD Ryzen 8000 Series Desktop Processors unaffected ComboAM5PI 1.1.0.3d Not specified
CNA AMD AMD Ryzen 8040 Series Mobile Processors With Radeon Graphics unaffected PhoenixPI-FP8-FP7_1.2.0.B Not specified
CNA AMD AMD Ryzen Embedded 8000 Series Processors unaffected EmbeddedPhoenixPI-FP7r2_1.0.0.2 Not specified

References

ReferenceSourceLinkTags
www.amd.com/en/resources/product-security/bulletin/AMD-SB-6027.html [email protected] www.amd.com
www.amd.com/en/resources/product-security/bulletin/AMD-SB-4017.html [email protected] www.amd.com
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