CVE-2025-54518

HIGH

Amd Epyc™ 7002 Series Processors - Improper Isolation of Shared Resources on System-on-a-Chip (SoC)

Title source: rule

Description

Improper isolation of shared resources within the CPU operation cache on Zen 2-based products could allow an attacker to corrupt instructions executed at a different privilege level, potentially resulting in privilege escalation.

References (3)

Core 3

Core References

Mailing List

http://www.openwall.com/lists/oss-security/2026/05/12/15

Various Sources

http://xenbits.xen.org/xsa/advisory-490.html

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-7052.html

Scores

CVSS v4 7.3

EPSS 0.0001

EPSS Percentile 3.0%

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-1189

Status published

Products (14)

AMD/AMD EPYC™ 7002 Series Processors os kernel

AMD/AMD EPYC™ Embedded 7002 Series Processors OS kernel

AMD/AMD Ryzen Embedded V2000A Series Processors EmbeddedV2KAPI-FP6 1.0.0.A

AMD/AMD Ryzen™ 3000 Series Desktop Processors ComboAM4PI 1.0.0.10

AMD/AMD Ryzen™ 3000 Series Desktop Processors ComboAM4v2 1.2.0.10

AMD/AMD Ryzen™ 4000 Series Desktop Processors ComboAM4v2 1.2.0.10

AMD/AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics RenoirPI-FP6_1.0.0.Ed

AMD/AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics ComboAM4v2 1.2.0.10

AMD/AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics CezannePI-FP6_1.0.1.1d

AMD/AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics MendocinoPI-FT6_1.0.0.7f

... and 4 more

Published May 15, 2026

Tracked Since May 15, 2026