CVE-2025-54518
7.3
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
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| AMD | AMD EPYC™ 7002 Series Processors | os kernel | unaffected |
| AMD | AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics | RenoirPI-FP6_1.0.0.Ed | unaffected |
| AMD | AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics | MendocinoPI-FT6_1.0.0.7f | unaffected |
| AMD | AMD Ryzen™ 3000 Series Desktop Processors | ComboAM4v2 1.2.0.10 | unaffected |
| AMD | AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors | ChagallWSPI-sWRX8-1.0.0.D | unaffected |
| AMD | AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics | CezannePI-FP6_1.0.1.1d | unaffected |
| AMD | AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors | CastlePeakWSPI-sWRX8 1.0.0.I | unaffected |
| AMD | AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics | CezannePI-FP6_1.0.1.1d | unaffected |
| AMD | AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics | CezannePI-FP6_1.0.1.1d | unaffected |
| AMD | AMD Ryzen™ 4000 Series Desktop Processors | ComboAM4v2 1.2.0.10 | unaffected |
| AMD | AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics | ComboAM4v2 1.2.0.10 | unaffected |
| AMD | AMD Ryzen™ 3000 Series Desktop Processors | ComboAM4PI 1.0.0.10 | unaffected |
| AMD | AMD EPYC™ Embedded 7002 Series Processors | OS kernel | unaffected |
| AMD | AMD Ryzen Embedded V2000A Series Processors | EmbeddedV2KAPI-FP6 1.0.0.A | unaffected |
| AMD | AMD Ryzen™ Embedded V2000 Series Processors | EmbeddedPI-FP6_1.0.0.D | unaffected |
Weaknesses
- CWE-1189: CWE-1189 Improper Isolation of Shared Resources on System-on-a-Chip (SoC)
ADP Enrichment
CVE Program Container
Additional References
- http://www.openwall.com/lists/oss-security/2026/05/12/15
- http://xenbits.xen.org/xsa/advisory-490.html
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
kernel: xen: AMD Zen 2 Processors: Privilege escalation via improper CPU cache isolation
Additional References
- 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
References
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