FKIE_CVE-2025-54518
Vulnerability from fkie_nvd - Published: 2026-05-15 05:16 - Updated: 2026-06-17 09:40
Severity
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.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "affected",
"product": "AMD EPYC\u2122 7002 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "os kernel"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 4000 Series Mobile Processors with Radeon\u2122 Graphics",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "RenoirPI-FP6_1.0.0.Ed"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 7020 Series Processors with Radeon\u2122 Graphics",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "MendocinoPI-FT6_1.0.0.7f"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 3000 Series Desktop Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "ComboAM4v2 1.2.0.10"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 Threadripper\u2122 PRO 3000 WX-Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "ChagallWSPI-sWRX8-1.0.0.D"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 7030 Series Mobile Processors with Radeon\u2122 Graphics",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "CezannePI-FP6_1.0.1.1d"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 Threadripper\u2122 PRO 3000 WX-Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "CastlePeakWSPI-sWRX8 1.0.0.I"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 5000 Series Mobile Processors with Radeon\u2122 Graphics",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "CezannePI-FP6_1.0.1.1d"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 5000 Series Mobile Processors with Radeon\u2122 Graphics",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "CezannePI-FP6_1.0.1.1d"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 4000 Series Desktop Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "ComboAM4v2 1.2.0.10"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 5000 Series Desktop Processors with Radeon\u2122 Graphics",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "ComboAM4v2 1.2.0.10"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 3000 Series Desktop Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "ComboAM4PI 1.0.0.10"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD EPYC\u2122 Embedded 7002 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "OS kernel"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen Embedded V2000A Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "EmbeddedV2KAPI-FP6 1.0.0.A"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 Embedded V2000 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "EmbeddedPI-FP6_1.0.0.D"
}
]
}
],
"source": "psirt@amd.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"id": "CVE-2025-54518",
"lastModified": "2026-06-17T09:40:14.177",
"metrics": {
"cvssMetricV40": [
{
"cvssData": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "HIGH",
"attackRequirements": "NONE",
"attackVector": "LOCAL",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 7.3,
"baseSeverity": "HIGH",
"confidentialityRequirement": "NOT_DEFINED",
"exploitMaturity": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "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",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"source": "psirt@amd.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-54518",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-05-15T00:00:00+00:00",
"version": "2.0.3"
}
}
]
},
"published": "2026-05-15T05:16:33.013",
"references": [
{
"source": "psirt@amd.com",
"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-7052.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openwall.com/lists/oss-security/2026/05/12/15"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://xenbits.xen.org/xsa/advisory-490.html"
}
],
"sourceIdentifier": "psirt@amd.com",
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-1189"
}
],
"source": "psirt@amd.com",
"type": "Secondary"
}
]
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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