CVE-2025-54518
High
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.
SeverityHigh
CVSS7.0
Exploit probability—
ProductAMD EPYC™ 7002 Series Processors
PublishedMay 15, 2026
First seenMay 15, 2026
Weakness typeCWE-1189CWE-1189
How to fix
Vendor advisories
- access.redhat.com/errata/RHSA-2026:59831
- access.redhat.com/errata/RHSA-2026:62549
- access.redhat.com/errata/RHSA-2026:60019
- access.redhat.com/errata/RHSA-2026:57402
- access.redhat.com/errata/RHSA-2026:57543
- access.redhat.com/errata/RHSA-2026:57457
- access.redhat.com/errata/RHSA-2026:54769
- access.redhat.com/errata/RHSA-2026:56573
- access.redhat.com/errata/RHSA-2026:53990
- access.redhat.com/errata/RHSA-2026:53329
- access.redhat.com/errata/RHSA-2026:50978
- access.redhat.com/errata/RHSA-2026:59091
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| AMD AMD EPYC™ 7002 Series Processors | No range specified | — |
| AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics | No range specified | — |
| AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics | No range specified | — |
| AMD AMD Ryzen™ 3000 Series Desktop Processors | No range specified | — |
| AMD AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors | No range specified | — |
| AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics | No range specified | — |
| AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics | No range specified | — |
| AMD AMD Ryzen™ 4000 Series Desktop Processors | No range specified | — |
| AMD AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics | No range specified | — |
| AMD AMD EPYC™ Embedded 7002 Series Processors | No range specified | — |
| AMD AMD Ryzen Embedded V2000A Series Processors | No range specified | — |
| AMD AMD Ryzen™ Embedded V2000 Series Processors | No range specified | — |
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