CVE-2026-46174

Vulnerability overview

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.

Affected product and versions

Product

Linux Linux, SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP

Affected versions

>= f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < 1e23b30a80b14e5764657401ee2cca030525ae8e, >= f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < f5bc3aef7df46eaaf423d7413ab8833f704ae576, >= f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < 251497955f2314cd39d43191e81c6151dead4c7b, >= f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < ff6fc65b3bf73acc5ee71919154d830ad5431362, >= f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < 9109489cc8c34e50d15575a3d1ff82af586bc1aa, >= f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < 28f5ed477eef166d678d6966762cbc1de9b4f436, >= f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < 1cd85a19748b2407830376a5cbae5c0f126016e5, >= f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < c21b90f77687075115d989e53a8ec5e2bb427ab1, >= 5abd1583e06b3963e5c9d915760367de86808b78, >= 4ba461d426490b6ed7e8298c4d3b7a13aa5d2686, >= 5a63725cd18fcee2af6ec46ccb856b64ad3077b4, >= 3.16.58 < 3.17, >= 4.4.144 < 4.5, >= 4.9.102 < 4.10, >= 4.14, >= V3.1.6, >= V3.1.5, >= 4.14.1 < 5.10.256, >= 5.11 < 5.15.207, >= 5.16 < 6.1.173

Fixed versions

3.17, 4.5, 4.10, 5.10.256, 5.15.207, 6.1.173, 6.6.139, 6.12.88, 6.18.30, 7.0.7

Technical data

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CWE

Not available