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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
AMD AMD EPYC™ 7002 Series Processors
Default version status: affected
os kernelunaffected
AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics
Default version status: affected
RenoirPI-FP6_1.0.0.Edunaffected
AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics
Default version status: affected
MendocinoPI-FT6_1.0.0.7funaffected
AMD AMD Ryzen™ 3000 Series Desktop Processors
Default version status: affected
ComboAM4v2 1.2.0.10unaffected
AMD AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors
Default version status: affected
ChagallWSPI-sWRX8-1.0.0.Dunaffected
AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics
Default version status: affected
CezannePI-FP6_1.0.1.1dunaffected
AMD AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors
Default version status: affected
CastlePeakWSPI-sWRX8 1.0.0.Iunaffected
AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
Default version status: affected
CezannePI-FP6_1.0.1.1dunaffected
AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
Default version status: affected
CezannePI-FP6_1.0.1.1dunaffected
AMD AMD Ryzen™ 4000 Series Desktop Processors
Default version status: affected
ComboAM4v2 1.2.0.10unaffected
AMD AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics
Default version status: affected
ComboAM4v2 1.2.0.10unaffected
AMD AMD Ryzen™ 3000 Series Desktop Processors
Default version status: affected
ComboAM4PI 1.0.0.10unaffected
AMD AMD EPYC™ Embedded 7002 Series Processors
Default version status: affected
OS kernelunaffected
AMD AMD Ryzen Embedded V2000A Series Processors
Default version status: affected
EmbeddedV2KAPI-FP6 1.0.0.Aunaffected
AMD AMD Ryzen™ Embedded V2000 Series Processors
Default version status: affected
EmbeddedPI-FP6_1.0.0.Dunaffected
References
- https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-7052.html ↗
- http://www.openwall.com/lists/oss-security/2026/05/12/15 ↗
- http://xenbits.xen.org/xsa/advisory-490.html ↗
- https://access.redhat.com/security/cve/CVE-2025-54518 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2477784 ↗
- https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-54518.json ↗
- https://access.redhat.com/errata/RHSA-2026:59831 ↗
- https://access.redhat.com/errata/RHSA-2026:62549 ↗
- https://access.redhat.com/errata/RHSA-2026:60019 ↗
- https://access.redhat.com/errata/RHSA-2026:57402 ↗
- https://access.redhat.com/errata/RHSA-2026:57543 ↗
- https://access.redhat.com/errata/RHSA-2026:57457 ↗
- https://access.redhat.com/errata/RHSA-2026:54769 ↗
- https://access.redhat.com/errata/RHSA-2026:56573 ↗
- https://access.redhat.com/errata/RHSA-2026:53990 ↗
- https://access.redhat.com/errata/RHSA-2026:53329 ↗
- https://access.redhat.com/errata/RHSA-2026:50978 ↗
- https://access.redhat.com/errata/RHSA-2026:59091 ↗
- https://access.redhat.com/errata/RHSA-2026:53989 ↗
- https://access.redhat.com/errata/RHSA-2026:55444 ↗
- https://access.redhat.com/errata/RHSA-2026:50979 ↗