CVE-2026-46174: Linux Kernel

High severity, CVSS 8.8. EPSS: 0.2% chance of exploitation in the next 30 days.

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 products

• Linux Linux Kernel: from 3.16.58, before 3.17 (fixed in 3.17); from 4.4.144, before 4.5 (fixed in 4.5); from 4.9.102, before 4.10 (fixed in 4.10); from 4.14.1, before 5.10.256 (fixed in 5.10.256); from 5.11, before 5.15.207 (fixed in 5.15.207); from 5.16, before 6.1.173 (fixed in 6.1.173); …

Published 2026-05-28. Last modified 2026-07-14.