CVE-2026-0455
Summary
| CVE | CVE-2026-0455 |
|---|---|
| State | PUBLISHED |
| Assigner | AMD |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-11-12 20:18:14 UTC |
| Updated | 2026-11-12 22:18:35 UTC |
| Description | The Versal™ AI Edge Series Gen 2 Peripheral Protection Unit (XPPU) for the inter-processor interrupt (IPI) buffers does not block unauthorized access as expected. This allows processors in the SoC with any IPI channel access the ability to both read and write to the entire IPI buffer register space as well as the IPI no-buffer register control space. |
Risk And Classification
Primary CVSS: v4.0 5.9 MEDIUM from [email protected]
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:L/VI:L/VA:H/SC:L/SI:L/SA:H/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-1220 | CWE-1220 CWE-1220 Insufficient Granularity of Access Control
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 5.9 | MEDIUM | CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:L/VI:L/VA:H/SC:L/SI:L/SA:H/E:X/C... |
| 4.0 | CNA | CVSS | 5.9 | MEDIUM | CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:L/VI:L/VA:H/SC:L/SI:L/SA:H |
CVSS v4.0 Breakdown
Attack Vector
LocalAttack Complexity
LowAttack Requirements
PresentPrivileges Required
LowUser Interaction
ActiveConfidentiality
LowIntegrity
LowAvailability
HighSub Conf.
LowSub Integrity
LowSub Availability
HighCVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:L/VI:L/VA:H/SC:L/SI:L/SA:H/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
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | AMD | Versal AI Edge Series Gen 2 Adaptive SoCs | unaffected 2026.1 | Not specified |
| CNA | AMD | Versal Prime Series Gen 2 Adaptive SoCs 2VM3358 2VM3558 And 2VM3858 Only | unaffected 2026.1 | Not specified |
| CNA | AMD | VivadoTM Advanced Configuration Editor For Versal AI Edge Series Gen 2 | unaffected 2026.1 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.amd.com/en/resources/product-security/bulletin/AMD-SB-8027.html | [email protected] | www.amd.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.