CVE-2026-46174

HIGH

x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache

Title source: cna
STIX 2.1

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.

References (10)

Core 10

Scores

CVSS v3 8.8
EPSS 0.0013
EPSS Percentile 2.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Details

Status published
Products (48)
linux/Kernel 4.14.0 - 5.10.256linux
linux/Kernel 5.11.0 - 5.15.207linux
linux/Kernel 5.16.0 - 6.1.173linux
linux/Kernel 6.13.0 - 6.18.30linux
linux/Kernel 6.19.0 - 7.0.7linux
linux/Kernel 6.2.0 - 6.6.139linux
linux/Kernel 6.7.0 - 6.12.88linux
Linux/Linux < 4.14
Linux/Linux < 5.10.256
Linux/Linux < 5.15.207
... and 38 more
Published May 28, 2026
Tracked Since May 28, 2026