CVE-2026-46174

HIGH

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.

CVSS v3.1 Score

8.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 5/28/2026Modified: 7/14/2026

Related Intelligence (1)

CRITICALAi

Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP

<p><a href="https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-209-04.json"><strong>View CSAF</strong></a></p> <h2>Summary</h2> <p><strong>Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the firmware version V3.1.6 for the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP (incl. SIPLUS variant). Siemens is preparing fix versions and recommend

CVE-2021-41617CVE-2023-28531
CISA Advisories

References (10)

https://git.kernel.org/stable/c/1cd85a19748b2407830376a5cbae5c0f126016e5Patchhttps://git.kernel.org/stable/c/1e23b30a80b14e5764657401ee2cca030525ae8ePatchhttps://git.kernel.org/stable/c/251497955f2314cd39d43191e81c6151dead4c7bPatchhttps://git.kernel.org/stable/c/28f5ed477eef166d678d6966762cbc1de9b4f436Patchhttps://git.kernel.org/stable/c/9109489cc8c34e50d15575a3d1ff82af586bc1aaPatchhttps://git.kernel.org/stable/c/c21b90f77687075115d989e53a8ec5e2bb427ab1Patchhttps://git.kernel.org/stable/c/f5bc3aef7df46eaaf423d7413ab8833f704ae576Patchhttps://git.kernel.org/stable/c/ff6fc65b3bf73acc5ee71919154d830ad5431362Patchhttps://cert-portal.siemens.com/productcert/html/ssa-019113.htmlhttps://cert-portal.siemens.com/productcert/html/ssa-082556.html