CVE-2025-54518
Estado: Pendiente de análisisAlta (7.3)—
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.
CVSS
- Versión: 4.0
- Vector: 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
- Puntuación base: 7.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.29%
- Percentil entre todas las CVEs puntuadas: 19
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1068Exploitation for Privilege Escalationprivilege escalation95 % - Impacto principal
T1059Command and Scripting Interpreterexecution75 %
Acceso local (AV:L) sin interacción del usuario en arquitectura Zen 2; corrupción de instrucciones permite escalada de privilegios y ejecución de código arbitrario a nivel del kernel.
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-1189
- CWE-1220
Referencias
- 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/errata/RHSA-2026:50978
- https://access.redhat.com/errata/RHSA-2026:50979
- https://access.redhat.com/errata/RHSA-2026:53329
- https://access.redhat.com/errata/RHSA-2026:53989
- https://access.redhat.com/errata/RHSA-2026:53990
- https://access.redhat.com/errata/RHSA-2026:54769
- https://access.redhat.com/errata/RHSA-2026:55444
- https://access.redhat.com/errata/RHSA-2026:56573
- https://access.redhat.com/errata/RHSA-2026:57402
- https://access.redhat.com/errata/RHSA-2026:57457
- https://access.redhat.com/errata/RHSA-2026:57543
- https://access.redhat.com/errata/RHSA-2026:59091
- https://access.redhat.com/errata/RHSA-2026:59831
- https://access.redhat.com/errata/RHSA-2026:60019
- https://access.redhat.com/errata/RHSA-2026:62549
- 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
JSON original (NVD)
Mostrar
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"published": "2026-05-15T05:16:33.013",
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"weaknesses": [
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"source": "psirt@amd.com",
"description": [
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"value": "CWE-1189"
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"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."
}
],
"lastModified": "2026-09-10T13:16:59.227",
"sourceIdentifier": "psirt@amd.com"
}