Global infos:

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.

CVE Status: Modified

References:

[email protected]

af854a3a-2127-422b-91ae-364da2661108

Metrics:

Attribute	Value
Attack Complexity	HIGH
Attack Vector	LOCAL
Availability Impact	NONE
Base Score	5.6
Base Severity	MEDIUM
Confidentiality Impact	HIGH
Integrity Impact	NONE
Privileges Required	LOW
Scope	CHANGED
User Interaction	NONE
Vector String	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Exploitability Score	1.1
Impact Score	4
Source	[email protected]
Type	Primary

Links:

Exploit-db
Github