CVE-2022-21127

Publication date 15 June 2022

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

Description

Incomplete cleanup in specific special register read operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

Status

Package Ubuntu Release Status
intel-microcode 22.10 kinetic
Fixed 3.20220510.0ubuntu1
22.04 LTS jammy
Fixed 3.20220510.0ubuntu0.22.04.1
21.10 impish
Fixed 3.20220510.0ubuntu0.21.10.1
20.04 LTS focal
Fixed 3.20220510.0ubuntu0.20.04.1
18.04 LTS bionic
Fixed 3.20220510.0ubuntu0.18.04.1
16.04 LTS xenial
Fixed 3.20220510.0ubuntu0.16.04.1+esm1
14.04 LTS trusty Ignored early microcode loading not allowed

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Severity score breakdown

Parameter Value
Base score 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References

Related Ubuntu Security Notices (USN)

    • USN-5486-1
    • Intel Microcode vulnerabilities
    • 20 June 2022
    • USN-5535-1
    • Intel Microcode vulnerabilities
    • 28 July 2022

Other references