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 (6)

Core 6

Core References

Vendor Advisory

https://access.redhat.com/security/cve/CVE-2025-54518

Vendor Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=2477784

Vendor Advisory

https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-54518.json

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 v3 7.0

EPSS 0.0026

EPSS Percentile 17.2%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-1189 CWE-1220

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