CVE-2022-21180

Publication date 15 June 2022

Last updated 1 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Improper input validation for some Intel(R) Processors may allow an authenticated user to potentially cause a denial of service via local access.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
intel-microcode	22.04 LTS jammy	Not affected
	21.10 impish	Not affected
	20.04 LTS focal	Not affected
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not affected

Notes

alexmurray

Issue with Intel hardware, no microcode updates to mitigate this - instead OS / virtual machine hypervisors are expected to be patched to remediate this.

Severity score breakdown

CVSS version: CVSS v3.0

Base score 5.5 · Medium

Base metrics

Parameter	Value
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality impact	None
Integrity impact	None
Availability impact	High

Scores

Parameter	Value
Base score	5.5 · Medium
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H