CVE-2021-46778

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…

published August 9, 2022

CVSS
—
EPSS
0%
Percentile
13.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00230 · 13.0th percentile
Published
2022-08-09T20:20Z
EPSS history
Timeline
  • 09 AUG 20:20Z
    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…
    cvelistv5