0.0
NA
CVE-2026-46174
x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache
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.

INFO

Published Date :

May 28, 2026, 10:16 a.m.

Last Modified :

May 28, 2026, 10:16 a.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2026-46174 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

Solution
Update the Linux kernel to prevent improper isolation of shared resources in Zen2's op cache.
  • Update the Linux kernel to the latest version.
  • Apply vendor-provided patches for Zen2 CPU resources.
  • Ensure proper isolation of shared resources in op cache.
  • Rebuild the kernel with updated configurations.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-46174 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-46174 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-46174 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-46174 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 28, 2026

    Action Type Old Value New Value
    Added 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.
    Added Reference https://git.kernel.org/stable/c/1cd85a19748b2407830376a5cbae5c0f126016e5
    Added Reference https://git.kernel.org/stable/c/1e23b30a80b14e5764657401ee2cca030525ae8e
    Added Reference https://git.kernel.org/stable/c/251497955f2314cd39d43191e81c6151dead4c7b
    Added Reference https://git.kernel.org/stable/c/28f5ed477eef166d678d6966762cbc1de9b4f436
    Added Reference https://git.kernel.org/stable/c/9109489cc8c34e50d15575a3d1ff82af586bc1aa
    Added Reference https://git.kernel.org/stable/c/c21b90f77687075115d989e53a8ec5e2bb427ab1
    Added Reference https://git.kernel.org/stable/c/f5bc3aef7df46eaaf423d7413ab8833f704ae576
    Added Reference https://git.kernel.org/stable/c/ff6fc65b3bf73acc5ee71919154d830ad5431362
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.