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
Affected Vendors & Products
References
History
Fri, 15 May 2026 14:15:00 +0000
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ssvc
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Fri, 15 May 2026 04:45:00 +0000
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| Title | Physical Access Enables Reading and Writing of Debug Registers on AMD Ryzen Processors |
Fri, 15 May 2026 03:00:00 +0000
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| Description | 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. | |
| Weaknesses | CWE-284 | |
| References |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: AMD
Published:
Updated: 2026-05-15T13:22:52.097Z
Reserved: 2024-11-21T16:18:07.633Z
Link: CVE-2025-0040
Updated: 2026-05-15T13:22:48.323Z
Status : Awaiting Analysis
Published: 2026-05-15T03:16:21.210
Modified: 2026-05-15T14:10:17.083
Link: CVE-2025-0040
No data.
OpenCVE Enrichment
Updated: 2026-05-15T04:30:36Z