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High · 7.1 CVE-2025-54502 EUVD-2025-209508GHSA-p7qm-4248-g65p

Incorrect use of boot service in the AMD Platform Configuration Blob (APCB) SMM driver could allow a privileged attacker with local access …

Published Apr 16, 2026 · Updated Jul 15, 2026 · Assigned by AMD

Vendor: AMD Product: AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics Product: AMD EPYC™ 4004 Series Processors Product: AMD EPYC™ 7002 Series Processors Product: AMD EPYC™ 7003 Series Processors Product: AMD EPYC™ 8004 Series Processors Product: AMD EPYC™ 9004 Series Processors Product: AMD EPYC™ 9005 Series Processors Product: AMD EPYC™ 9V64H Processor Product: AMD EPYC™ Embedded 7002 Series Processors Product: AMD EPYC™ Embedded 7003 Series Processors Product: AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa") Product: AMD Instinct™ MI300A Series Processors Product: AMD Ryzen™ 3000 Series Desktop Processors Product: AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics Product: AMD Ryzen™ 4000 Series Desktop Processors Product: AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics Product: AMD Ryzen™ 5000 Series Desktop Processors Product: AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics Product: AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics Product: AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics Product: AMD Ryzen™ 7000 Series Desktop Processors Product: AMD Ryzen™ 7000 Series Desktop Processors (formerly codenamed "Raphael") Product: AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics Product: AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics Product: AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics Product: AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics Product: AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics Product: AMD Ryzen™ 8000 Series Desktop Processors Product: AMD Ryzen™ 8000 Series Desktop Processors (formerly codenamed "Phoenix") Product: AMD Ryzen™ 8040 Series Mobile Processors with Radeon™ Graphics Product: AMD Ryzen™ 9000 Series Desktop Processors Product: AMD Ryzen™ 9000 Series Desktop Processors (formerly codenamed "Granite Ridge") Product: AMD Ryzen™ 9000HX Series Processors Product: AMD Ryzen™ AI 300 Series Processors Product: AMD Ryzen™ AI Max 300 Series Processors Product: AMD Ryzen™ Embedded 5000 Series Processors Product: AMD Ryzen™ Embedded R1000 Series Processors Product: AMD Ryzen™ Embedded R2000 Series Processors Product: AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Raven Ridge") Product: AMD Ryzen™ Embedded V2000 Series Processors Product: AMD Ryzen™ Threadripper™ 7000 Processors Product: AMD Ryzen™ Threadripper™ 9000 Processors Product: AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors Product: AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors Product: AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors Product: AMD Ryzen™ Threadripper™ PRO 9000 WX-Series Processors Product: AMD Ryzen™ Z1 Series Processors Product: AMD Ryzen™ Z2 Series Processors Product: AMD Ryzen™ Z2 Series Processors Extreme Product: AMD Ryzen™ Z2 Series Processors Go

Description

Incorrect use of boot service in the AMD Platform Configuration Blob (APCB) SMM driver could allow a privileged attacker with local access (Ring 0) to achieve privilege escalation potentially resulting in arbitrary code execution.

Affected products

VendorProductAffectedFixed
AMD AMD EPYC™ 9004 Series Processors — GenoaPI_1.0.0.H
AMD AMD EPYC™ 7003 Series Processors — MilanPI-SP3_1.0.0.J
AMD AMD EPYC™ 7002 Series Processors — Rome-1.0.0.P
AMD AMD EPYC™ 4004 Series Processors — ComboAM5PI 1.0.0.d
AMD AMD EPYC™ 9005 Series Processors — TurinPI-SP5_1.0.0.9
AMD AMD Instinct™ MI300A Series Processors — MI300A 1.0.0.C
AMD AMD EPYC™ 9V64H Processor — MI300C 1.0.0.3
AMD AMD EPYC™ 8004 Series Processors — GenoaPI_1.0.0.H
AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics — RenoirPI-FP6 1.0.0.Ed
AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics — RembrandtPI-FP7_1.0.0.Bg
AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics — PicassoPI-FP5_1.0.1.2e
AMD AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics — PhoenixPI-FP8-FP7_1.2.0.0f
AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics — MendocinoPI-FT6_1.0.0.7g
AMD AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics — DragonRangeFL1PI 1.0.0.3k
AMD AMD Ryzen™ 7000 Series Desktop Processors — ComboAM5PI 1.0.0.d
AMD AMD Ryzen™ 3000 Series Desktop Processors — ComboAM4v2PI 1.2.0.10
AMD AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors — ChagallWSPI-sWRX8 1.0.0.D
AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics — CezannePI-FP6_1.0.1.1d
AMD AMD Ryzen™ 9000HX Series Processors — FireRangeFL1PI 1.0.0.0d
AMD AMD Ryzen™ AI 300 Series Processors — StrixKrackanPI-FP8_1.1.0.0e
AMD AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors — ChagallWSPI-sWRX8 1.0.0.D
AMD AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors — StormPeakPI-SP6 1.0.0.1m
AMD AMD Ryzen™ 8000 Series Desktop Processors — ComboAM5PI 1.1.0.3f
AMD AMD Ryzen™ 9000 Series Desktop Processors — ComboAM5PI 1.2.0.3h
AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics — CezannePI-FP6_1.0.1.1d
AMD AMD Ryzen™ 4000 Series Desktop Processors — ComboAM4v2PI 1.2.0.10
AMD AMD Ryzen™ 5000 Series Desktop Processors — ComboAM4v2PI 1.2.0.10
AMD AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics — ComboAM4v2PI 1.2.0.10
AMD AMD Ryzen™ 8040 Series Mobile Processors with Radeon™ Graphics — PhoenixPI-FP8-FP7_1.2.0.0f
AMD AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics — PicassoPI-FP5_1.0.1.2e
AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics — RembrandtPI-FP7_1.0.0.Bg
AMD AMD Ryzen™ AI Max 300 Series Processors — StrixHaloPI-FP11_1.0.0.2a
AMD AMD Ryzen™ Z1 Series Processors — StrixKrackanPI-FP8_1.1.0.0e
AMD AMD Ryzen™ Z2 Series Processors Extreme — StrixKrackanPI-FP8_1.1.0.0e
AMD AMD Ryzen™ Z2 Series Processors — PhoenixPI-FP8-FP7_1.2.0.0f
AMD AMD Ryzen™ Z2 Series Processors Go — RembrandtPI-FP7_1.0.0.Bg
AMD AMD Ryzen™ Threadripper™ 7000 Processors — ShimadaPeakPI-SP6 1.0.0.1c
AMD AMD Ryzen™ Threadripper™ 9000 Processors — ShimadaPeakPI-SP6 1.0.0.1c
AMD AMD Ryzen™ Threadripper™ PRO 9000 WX-Series Processors — ShimadaPeakPI-SP6 1.0.0.1c
AMD AMD Ryzen™ 7000 Series Desktop Processors (formerly codenamed "Raphael") — ComboAM5PI 1.2.8.0
AMD AMD Ryzen™ 8000 Series Desktop Processors (formerly codenamed "Phoenix") — ComboAM5PI 1.2.8.0
AMD AMD Ryzen™ 9000 Series Desktop Processors (formerly codenamed "Granite Ridge") — ComboAM5PI 1.2.8.0
AMD AMD EPYC™ Embedded 7003 Series Processors — EmbMilanPI-SP3 1.0.0.D
AMD AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa") — EmbGenoaPI-SP5 1.0.0.D
AMD AMD EPYC™ Embedded 7002 Series Processors — EmbRomePI-SP3 1.0.0.F
AMD AMD Ryzen™ Embedded R1000 Series Processors — EmbeddedPI-FP5 1213
AMD AMD Ryzen™ Embedded R2000 Series Processors — EmbeddedR2KPI-FP5 1008
AMD AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Raven Ridge") — EmbeddedPI-FP5 1213
AMD AMD Ryzen™ Embedded 5000 Series Processors — EmbAM4PI 1.0.0.9
AMD AMD Ryzen™ Embedded V2000 Series Processors — EmbeddedPI-FP6_1.0.0.D
AMD AMD Ryzen™ Embedded V3000 Series Processors — Embedded-PI_FP7r2 1012
AMD AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo") — EmbGenoaPI-SP5 1.0.0.D
AMD AMD EPYC™ Embedded 8004 Series Processors — EmbGenoaPI-SP5 1.0.0.D
AMD AMD Ryzen™ Embedded 9000 Series Processors — EmbeddedAM5PI 1.0.0.5
AMD AMD Ryzen™ Embedded 8000 Series Processors — EmbeddedPhoenixPI-FP7r2_1.0.0.4
AMD AMD Ryzen™ Embedded 7000 Series Processors — EmbeddedAM5PI 1.0.0.7
AMD AMD EPYC™ Embedded 9005 Series Processors — EmbeddedTurinPI_SP5_1004

Advisories 1

References