CVE Catalog

CVE-2026-46174

HighCVSS 8.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.01%

2th percentile - higher than 2% of all known CVEs

Summary

A vulnerability has been identified in the Linux kernel regarding improper isolation of shared resources in the op cache of AMD Zen2 processors. This issue could lead to instruction corruption.

Risk Assessment

Improper resource isolation may result in severe system errors, jeopardizing data integrity and the stability of applications running on affected systems.

Recommendation

It is recommended to update the Linux kernel to the latest version to mitigate this vulnerability and ensure proper resource isolation.

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS