> CVE-2025-54518 [HIGH]

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PUBLISHED
2026-05-15 05:16
MODIFIED
2026-05-15 05:16
CVSS_SCORE V3
7.3
EPSS (Prob. Exploit)
0.29%
Top 78.7%
DATA SOURCES:
NVD đź”— 2026-05-15 CWE MITRE đź”— 2026-11-01 FIRST EPSS đź”— 2026-11-01 MSRC đź”— 2026-11-02

> 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

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_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

> MÉTRIQUES CVSS DÉTAILLÉES

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
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Local (L)
Exploit nécessite un accès local au système
AC (Complexité d'Attaque)
Attack Complexity
High (H)
Conditions spécifiques doivent être réunies pour exploiter
PR (Privilèges Requis)
Privileges Required
Low (L)
Authentifié avec compte utilisateur basique
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
High (H)
Divulgation totale d'informations
I (Impact Intégrité)
Integrity Impact
High (H)
Modification totale des données possible
A (Impact Disponibilité)
Availability Impact
High (H)
Interruption totale du service possible

> RÉSUMÉ DES IMPACTS

Confidentialité
High
Divulgation totale d'informations
Intégrité
High
Modification totale des données possible
Disponibilité
High
Interruption totale du service possible

> WEAKNESSES

CWE-1189

> CWE DETAILED DESCRIPTIONS

CWE-1189: Improper Isolation of Shared Resources on System-on-a-Chip (SoC) - The System-On-a-Chip (SoC) does not properly isolate shared resources between trusted and untrusted agents.

> RED HAT SECURITY ADVISORIES

Red Hat Security Advisory: kernel security, bug fix, and enhancement update
An update for kernel is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (C...
Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update
An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System...
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
An update for kernel is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (C...
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
An update for kernel is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulne...
Red Hat Security Advisory: kernel security update
An update for kernel is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Prod...
Red Hat Security Advisory: kernel security update
An update for kernel is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security h...
Red Hat Security Advisory: OpenShift Container Platform 4.22.10 bug fix and security update
Red Hat OpenShift Container Platform release 4.22.10 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red...
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
An update for kernel is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Co...
Red Hat Security Advisory: kernel security update
An update for kernel is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Prod...
Red Hat Security Advisory: OpenShift Container Platform 4.20.35 bug fix and security update
Red Hat OpenShift Container Platform release 4.20.35 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red H...
Red Hat Security Advisory: OpenShift Container Platform 4.21.30 bug fix and security update
Red Hat OpenShift Container Platform release 4.21.30 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red H...
Red Hat Security Advisory: OpenShift Container Platform 4.19.44 bug fix and security update
Red Hat OpenShift Container Platform release 4.19.44 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red H...
Red Hat Security Advisory: OpenShift Container Platform 4.12.97 bug fix and security update
Red Hat OpenShift Container Platform release 4.12.97 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red H...
Red Hat Security Advisory: OpenShift Container Platform 4.17.57 bug fix and security update
Red Hat OpenShift Container Platform release 4.17.57 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red...
Red Hat Security Advisory: OpenShift Container Platform 4.16.70 bug fix and security update
Red Hat OpenShift Container Platform release 4.16.70 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red H...

> MICROSOFT SECURITY PATCHES

Cette vulnérabilité est corrigée par les mises à jour Microsoft suivantes :

Security Hotpatch Update
Produit : 11923, 11924
Publié le 31/10/2026 • Bulletin 2026-May
Security Update KB5087538
Produit : 11568, 11569, 11571, 11572
Publié le 31/10/2026 • Bulletin 2026-May
Security Update KB5087545
Produit : 11923, 11924
Publié le 31/10/2026 • Bulletin 2026-May
Security Update KB5087544
Produit : 11929, 11930, 11931
Publié le 31/10/2026 • Bulletin 2026-May
Security Update KB5087539
Produit : 12437, 12436
Publié le 31/10/2026 • Bulletin 2026-May
Security Update KB5089549
Produit : 12389, 12390
Publié le 31/10/2026 • Bulletin 2026-May
Security Update KB5087420
Produit : 12242
Publié le 31/10/2026 • Bulletin 2026-May
Security Update KB5087541
Produit : 12244
Publié le 31/10/2026 • Bulletin 2026-May
Security Hotpatch Update
Produit : 12389, 12390
Publié le 31/10/2026 • Bulletin 2026-May
Security Update KB5089548
Produit : 20853, 20854
Publié le 31/10/2026 • Bulletin 2026-May
Security Update KB5087537
Produit : 10852, 10853, 10816, 10855
Publié le 31/10/2026 • Bulletin 2026-May
Security Hotpatch Update
Produit : 12437, 12436
Publié le 31/10/2026 • Bulletin 2026-May
Security Update KB5094127
Produit : 12097, 12098, 12099
Publié le 31/10/2026 • Bulletin 2026-May
Security Update KB5093998
Produit : 12243
Publié le 31/10/2026 • Bulletin 2026-May
📋 Voir tous les détails sur MSRC Update Guide →

> HISTORIQUE DES MODIFICATIONS

Première apparition
15/05/2026 05:16
Source: NVD
đź“Š ENRICHISSEMENT 01/06/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-1189: Improper Isolation of Shared Resources on System-on-a-Chip (SoC) - The System-On-a-Chip (SoC) does not properly isolate shared resources between trusted and untrusted agents.
Total des modifications: 1 Dernière mise à jour: 5 months ago

> 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
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