CVE-2021-46778

Summary

Execution unit scheduler contention may lead to a side channel vulnerability found on AMD CPU microarchitectures codenamed “Zen 1”, “Zen 2” and “Zen 3” that use simultaneous multithreading (SMT). By measuring the contention level on scheduler queues an attacker may potentially leak sensitive information.

Affected Software

VendorProductVersion RangeStatus
AMDAMD ProcessorsProcessor Some AMD Processorsaffected

Weaknesses

  • NA

ADP Enrichment

CVE Program Container

Additional References

References