CVE-2025-54502

HIGH

AMD EPYC and Ryzen Processors - Privilege Escalation via APCB SMM Driver Boot Service Misuse

Title source: llm
STIX 2.1

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.

References (4)

Core 4

Scores

CVSS v3 7.5
EPSS 0.0014
EPSS Percentile 4.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-648 CWE-668
Status published
Products (50)
AMD/AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics PicassoPI-FP5_1.0.1.2e
AMD/AMD EPYC™ 4004 Series Processors ComboAM5PI 1.0.0.d
AMD/AMD EPYC™ 7002 Series Processors Rome-1.0.0.P
AMD/AMD EPYC™ 7003 Series Processors MilanPI-SP3_1.0.0.J
AMD/AMD EPYC™ 8004 Series Processors GenoaPI_1.0.0.H
AMD/AMD EPYC™ 9004 Series Processors GenoaPI_1.0.0.H
AMD/AMD EPYC™ 9005 Series Processors TurinPI-SP5_1.0.0.9
AMD/AMD EPYC™ 9V64H Processor MI300C 1.0.0.3
AMD/AMD EPYC™ Embedded 7002 Series Processors EmbRomePI-SP3 1.0.0.F
AMD/AMD EPYC™ Embedded 7003 Series Processors EmbMilanPI-SP3 1.0.0.D
... and 40 more
Published Apr 16, 2026
Tracked Since Apr 17, 2026