CVE-2026-46174

8.8 Élevée

Publiée le 28/05/2026 à 12:16 · Modifiée le 19/10/2026 à 22:18 · Modifiée · Source : 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Description

In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache Make sure resources are not improperly shared in the op cache and cause instruction corruption this way.

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Produits concernés

Linux
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP
Linux linux kernel

Scores CVSS

Version	Score	Source	Vecteur
3.1	8.8 Élevée	416baaa9-dc9f-4396-8d5f-8c081fb06d67	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H`

Faiblesses (CWE)

CWE-862

Références

https://git.kernel.org/stable/c/1cd85a19748b2407830376a5cbae5c0f126016e5 Patch
https://git.kernel.org/stable/c/1e23b30a80b14e5764657401ee2cca030525ae8e Patch
https://git.kernel.org/stable/c/251497955f2314cd39d43191e81c6151dead4c7b Patch
https://git.kernel.org/stable/c/28f5ed477eef166d678d6966762cbc1de9b4f436 Patch
https://git.kernel.org/stable/c/9109489cc8c34e50d15575a3d1ff82af586bc1aa Patch
https://git.kernel.org/stable/c/c21b90f77687075115d989e53a8ec5e2bb427ab1 Patch
https://git.kernel.org/stable/c/f5bc3aef7df46eaaf423d7413ab8833f704ae576 Patch
https://git.kernel.org/stable/c/ff6fc65b3bf73acc5ee71919154d830ad5431362 Patch
https://cert-portal.siemens.com/productcert/html/ssa-019113.html
https://cert-portal.siemens.com/productcert/html/ssa-082556.html
https://cert-portal.siemens.com/productcert/html/ssa-457936.html

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories