CVE-2026-46174

High

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.

SeverityHigh
CVSS8.8
Exploit probability—
ProductLinux Kernel
PublishedMay 28, 2026
First seenMay 28, 2026

How to fix

Update
  • linux linux_kernel3.17, 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 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel3.16.58 ≤ v < 3.17, 4.4.144 ≤ v < 4.5, 4.9.102 ≤ v < 4.10, 4.14.1 ≤ v < 5.10.256, 5.11 ≤ v < 5.15.207, 5.16 ≤ v < 6.1.173, 6.2 ≤ v < 6.6.139, 6.7 ≤ v < 6.12.88, 6.13 ≤ v < 6.18.30, 6.19 ≤ v < 7.0.7, 4.14, 7.13.17, 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

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