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Vulnerability record · CVE-2026-46174 · published 28 May 2026

CVE-2026-46174: Linux kernel vulnerability

Linux · Linux Kernel

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.

8.8 CVSS 3.1 High EPSS 0.18% · top 92.9%
8.8CVSS 3.1 base score
0.18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
14 Jul 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
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

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Source: NIST National Vulnerability Database (record CVE-2026-46174), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.