CVE-2026-46174
HighCVSS 8.8Exploitation Probability (EPSS)
Low risk2th 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.

