CVE-2023-31325
Improper isolation of shared resources on System-on-a-chip (SOC) could a privileged attacker to tamper with the contents of the PSP reserved DRAM region potentially resulting in loss of confidentiality and integrity.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
- Puntuación base: 7.2
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.14%
- Percentil entre todas las CVEs puntuadas: 3
- Fecha de la puntuación: 5/10/2026
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 escalation85 % - Impacto principal
T1565.001Stored Data Manipulationimpact75 % - Impacto secundario
T1005Data from Local Systemcollection70 %
AV:L/PR:H sin UI indica escalada local por atacante privilegiado. El texto describe manipulación (tampering) e impacto en confidencialidad e integridad de memoria PSP reservada (modificación y lectura de datos).
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
CWE
- CWE-1189
Referencias
JSON original (NVD)
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{
"id": "CVE-2023-31325",
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"metrics": {
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"ssvcData": {
"id": "CVE-2023-31325",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
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],
"version": "2.0.3",
"timestamp": "2025-09-09T03:55:22.036076Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "psirt@amd.com",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 7.2,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "NONE",
"privilegesRequired": "HIGH",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.8,
"exploitabilityScore": 0.8
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"affected": [
{
"source": "psirt@amd.com",
"affectedData": [
{
"vendor": "AMD",
"product": "AMD Ryzen™ 8000 Series Desktop Processors",
"versions": [
{
"status": "unaffected",
"version": "ComboAM5 1.1.0.1"
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],
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{
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{
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{
"vendor": "AMD",
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"published": "2025-09-06T17:15:31.370",
"references": [
{
"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html",
"source": "psirt@amd.com"
},
{
"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6018.html",
"source": "psirt@amd.com"
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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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"descriptions": [
{
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"value": "Improper isolation of shared resources on System-on-a-chip (SOC) could a privileged attacker to tamper with the contents of the PSP reserved DRAM region potentially resulting in loss of confidentiality and integrity."
}
],
"lastModified": "2026-06-17T05:56:48.127",
"sourceIdentifier": "psirt@amd.com"
}